It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 264 138 201 is not a prime number.
For example, 264 138 201 can be divided by 3: 264 138 201 / 3 = 88 046 067.
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For 264 138 201 to be a prime number, it would have been required that 264 138 201 has only two divisors, i.e., itself and 1.
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264 138 201 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 264 138 201 is about 16 252.329.
Thus, the square root of 264 138 201 is not an integer, and therefore 264 138 201 is not a square number.
The square of a number (here 264 138 201) is the result of the product of this number (264 138 201) by itself (i.e., 264 138 201 × 264 138 201); the square of 264 138 201 is sometimes called "raising 264 138 201 to the power 2", or "264 138 201 squared".
The square of 264 138 201 is 69 768 989 227 516 400 because 264 138 201 × 264 138 201 = 264 138 2012 = 69 768 989 227 516 400.
As a consequence, 264 138 201 is the square root of 69 768 989 227 516 400.
264 138 201 is a number with 9 digits.
The multiples of 264 138 201 are all integers evenly divisible by 264 138 201, that is all numbers such that the remainder of the division by 264 138 201 is zero. There are infinitely many multiples of 264 138 201. The smallest multiples of 264 138 201 are: