It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 500 065 009 is not a prime number.
For example, 500 065 009 can be divided by 19: 500 065 009 / 19 = 26 319 211.
For 500 065 009 to be a prime number, it would have been required that 500 065 009 has only two divisors, i.e., itself and 1.
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500 065 009 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 500 065 009 is about 22 362.133.
Thus, the square root of 500 065 009 is not an integer, and therefore 500 065 009 is not a square number.
The square of a number (here 500 065 009) is the result of the product of this number (500 065 009) by itself (i.e., 500 065 009 × 500 065 009); the square of 500 065 009 is sometimes called "raising 500 065 009 to the power 2", or "500 065 009 squared".
The square of 500 065 009 is 250 065 013 226 170 080 because 500 065 009 × 500 065 009 = 500 065 0092 = 250 065 013 226 170 080.
As a consequence, 500 065 009 is the square root of 250 065 013 226 170 080.
500 065 009 is a number with 9 digits.
The multiples of 500 065 009 are all integers evenly divisible by 500 065 009, that is all numbers such that the remainder of the division by 500 065 009 is zero. There are infinitely many multiples of 500 065 009. The smallest multiples of 500 065 009 are: