It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 509 242 002 is not a prime number.
For example, 509 242 002 can be divided by 2: 509 242 002 / 2 = 254 621 001.
For 509 242 002 to be a prime number, it would have been required that 509 242 002 has only two divisors, i.e., itself and 1.
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509 242 002 is an even number, because it is evenly divisible by 2: 509 242 002 / 2 = 254 621 001.
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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 509 242 002 is about 22 566.391.
Thus, the square root of 509 242 002 is not an integer, and therefore 509 242 002 is not a square number.
The square of a number (here 509 242 002) is the result of the product of this number (509 242 002) by itself (i.e., 509 242 002 × 509 242 002); the square of 509 242 002 is sometimes called "raising 509 242 002 to the power 2", or "509 242 002 squared".
The square of 509 242 002 is 259 327 416 600 968 000 because 509 242 002 × 509 242 002 = 509 242 0022 = 259 327 416 600 968 000.
As a consequence, 509 242 002 is the square root of 259 327 416 600 968 000.
509 242 002 is a number with 9 digits.
The multiples of 509 242 002 are all integers evenly divisible by 509 242 002, that is all numbers such that the remainder of the division by 509 242 002 is zero. There are infinitely many multiples of 509 242 002. The smallest multiples of 509 242 002 are: