It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 709 486 009 is not a prime number.
For example, 709 486 009 can be divided by 47: 709 486 009 / 47 = 15 095 447.
For 709 486 009 to be a prime number, it would have been required that 709 486 009 has only two divisors, i.e., itself and 1.
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709 486 009 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 709 486 009 is about 26 636.179.
Thus, the square root of 709 486 009 is not an integer, and therefore 709 486 009 is not a square number.
The square of a number (here 709 486 009) is the result of the product of this number (709 486 009) by itself (i.e., 709 486 009 × 709 486 009); the square of 709 486 009 is sometimes called "raising 709 486 009 to the power 2", or "709 486 009 squared".
The square of 709 486 009 is 503 370 396 966 748 096 because 709 486 009 × 709 486 009 = 709 486 0092 = 503 370 396 966 748 096.
As a consequence, 709 486 009 is the square root of 503 370 396 966 748 096.
709 486 009 is a number with 9 digits.
The multiples of 709 486 009 are all integers evenly divisible by 709 486 009, that is all numbers such that the remainder of the division by 709 486 009 is zero. There are infinitely many multiples of 709 486 009. The smallest multiples of 709 486 009 are: