It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 509 499 072 is not a prime number.
For example, 509 499 072 can be divided by 2: 509 499 072 / 2 = 254 749 536.
For 509 499 072 to be a prime number, it would have been required that 509 499 072 has only two divisors, i.e., itself and 1.
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509 499 072 is an even number, because it is evenly divisible by 2: 509 499 072 / 2 = 254 749 536.
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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 509 499 072 is about 22 572.086.
Thus, the square root of 509 499 072 is not an integer, and therefore 509 499 072 is not a square number.
The square of a number (here 509 499 072) is the result of the product of this number (509 499 072) by itself (i.e., 509 499 072 × 509 499 072); the square of 509 499 072 is sometimes called "raising 509 499 072 to the power 2", or "509 499 072 squared".
The square of 509 499 072 is 259 589 304 368 861 184 because 509 499 072 × 509 499 072 = 509 499 0722 = 259 589 304 368 861 184.
As a consequence, 509 499 072 is the square root of 259 589 304 368 861 184.
509 499 072 is a number with 9 digits.
The multiples of 509 499 072 are all integers evenly divisible by 509 499 072, that is all numbers such that the remainder of the division by 509 499 072 is zero. There are infinitely many multiples of 509 499 072. The smallest multiples of 509 499 072 are: