It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 655 106 is not a prime number.
For example, 490 655 106 can be divided by 2: 490 655 106 / 2 = 245 327 553.
For 490 655 106 to be a prime number, it would have been required that 490 655 106 has only two divisors, i.e., itself and 1.
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490 655 106 is an even number, because it is evenly divisible by 2: 490 655 106 / 2 = 245 327 553.
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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 490 655 106 is about 22 150.736.
Thus, the square root of 490 655 106 is not an integer, and therefore 490 655 106 is not a square number.
The square of a number (here 490 655 106) is the result of the product of this number (490 655 106) by itself (i.e., 490 655 106 × 490 655 106); the square of 490 655 106 is sometimes called "raising 490 655 106 to the power 2", or "490 655 106 squared".
The square of 490 655 106 is 240 742 433 043 871 232 because 490 655 106 × 490 655 106 = 490 655 1062 = 240 742 433 043 871 232.
As a consequence, 490 655 106 is the square root of 240 742 433 043 871 232.
490 655 106 is a number with 9 digits.
The multiples of 490 655 106 are all integers evenly divisible by 490 655 106, that is all numbers such that the remainder of the division by 490 655 106 is zero. There are infinitely many multiples of 490 655 106. The smallest multiples of 490 655 106 are: