It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 264 291 012 is not a prime number.
For example, 264 291 012 can be divided by 2: 264 291 012 / 2 = 132 145 506.
For 264 291 012 to be a prime number, it would have been required that 264 291 012 has only two divisors, i.e., itself and 1.
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264 291 012 is an even number, because it is evenly divisible by 2: 264 291 012 / 2 = 132 145 506.
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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 264 291 012 is about 16 257.030.
Thus, the square root of 264 291 012 is not an integer, and therefore 264 291 012 is not a square number.
The square of a number (here 264 291 012) is the result of the product of this number (264 291 012) by itself (i.e., 264 291 012 × 264 291 012); the square of 264 291 012 is sometimes called "raising 264 291 012 to the power 2", or "264 291 012 squared".
The square of 264 291 012 is 69 849 739 023 984 144 because 264 291 012 × 264 291 012 = 264 291 0122 = 69 849 739 023 984 144.
As a consequence, 264 291 012 is the square root of 69 849 739 023 984 144.
264 291 012 is a number with 9 digits.
The multiples of 264 291 012 are all integers evenly divisible by 264 291 012, that is all numbers such that the remainder of the division by 264 291 012 is zero. There are infinitely many multiples of 264 291 012. The smallest multiples of 264 291 012 are: