It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 980 664 is not a prime number.
For example, 490 980 664 can be divided by 2: 490 980 664 / 2 = 245 490 332.
For 490 980 664 to be a prime number, it would have been required that 490 980 664 has only two divisors, i.e., itself and 1.
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490 980 664 is an even number, because it is evenly divisible by 2: 490 980 664 / 2 = 245 490 332.
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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 490 980 664 is about 22 158.083.
Thus, the square root of 490 980 664 is not an integer, and therefore 490 980 664 is not a square number.
The square of a number (here 490 980 664) is the result of the product of this number (490 980 664) by itself (i.e., 490 980 664 × 490 980 664); the square of 490 980 664 is sometimes called "raising 490 980 664 to the power 2", or "490 980 664 squared".
The square of 490 980 664 is 241 062 012 421 880 896 because 490 980 664 × 490 980 664 = 490 980 6642 = 241 062 012 421 880 896.
As a consequence, 490 980 664 is the square root of 241 062 012 421 880 896.
490 980 664 is a number with 9 digits.
The multiples of 490 980 664 are all integers evenly divisible by 490 980 664, that is all numbers such that the remainder of the division by 490 980 664 is zero. There are infinitely many multiples of 490 980 664. The smallest multiples of 490 980 664 are: