It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 264 167 409 is not a prime number.
For example, 264 167 409 can be divided by 3: 264 167 409 / 3 = 88 055 803.
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For 264 167 409 to be a prime number, it would have been required that 264 167 409 has only two divisors, i.e., itself and 1.
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264 167 409 is an odd number, because it is not evenly divisible by 2.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 264 167 409 is about 16 253.228.
Thus, the square root of 264 167 409 is not an integer, and therefore 264 167 409 is not a square number.
The square of a number (here 264 167 409) is the result of the product of this number (264 167 409) by itself (i.e., 264 167 409 × 264 167 409); the square of 264 167 409 is sometimes called "raising 264 167 409 to the power 2", or "264 167 409 squared".
The square of 264 167 409 is 69 784 419 977 773 280 because 264 167 409 × 264 167 409 = 264 167 4092 = 69 784 419 977 773 280.
As a consequence, 264 167 409 is the square root of 69 784 419 977 773 280.
264 167 409 is a number with 9 digits.
The multiples of 264 167 409 are all integers evenly divisible by 264 167 409, that is all numbers such that the remainder of the division by 264 167 409 is zero. There are infinitely many multiples of 264 167 409. The smallest multiples of 264 167 409 are: