It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 264 696 988 is not a prime number.
For example, 264 696 988 can be divided by 2: 264 696 988 / 2 = 132 348 494.
For 264 696 988 to be a prime number, it would have been required that 264 696 988 has only two divisors, i.e., itself and 1.
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264 696 988 is an even number, because it is evenly divisible by 2: 264 696 988 / 2 = 132 348 494.
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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 264 696 988 is about 16 269.511.
Thus, the square root of 264 696 988 is not an integer, and therefore 264 696 988 is not a square number.
The square of a number (here 264 696 988) is the result of the product of this number (264 696 988) by itself (i.e., 264 696 988 × 264 696 988); the square of 264 696 988 is sometimes called "raising 264 696 988 to the power 2", or "264 696 988 squared".
The square of 264 696 988 is 70 064 495 456 272 144 because 264 696 988 × 264 696 988 = 264 696 9882 = 70 064 495 456 272 144.
As a consequence, 264 696 988 is the square root of 70 064 495 456 272 144.
264 696 988 is a number with 9 digits.
The multiples of 264 696 988 are all integers evenly divisible by 264 696 988, that is all numbers such that the remainder of the division by 264 696 988 is zero. There are infinitely many multiples of 264 696 988. The smallest multiples of 264 696 988 are: