495662102989 has 2 divisors, whose sum is σ = 495662102990. Its totient is φ = 495662102988.

The previous prime is 495662102893. The next prime is 495662103017. The reversal of 495662102989 is 989201266594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414134722089 + 81527380900 = 643533^2 + 285530^2 .

It is a cyclic number.

It is not a de Polignac number, because 495662102989 - 2¹³ = 495662094797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495662102189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247831051494 + 247831051495.

It is an arithmetic number, because the mean of its divisors is an integer number (247831051495).

Almost surely, 2^495662102989 is an apocalyptic number.

It is an amenable number.

495662102989 is a deficient number, since it is larger than the sum of its proper divisors (1).

495662102989 is an equidigital number, since it uses as much as digits as its factorization.

495662102989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 495662102989 in words is "four hundred ninety-five billion, six hundred sixty-two million, one hundred two thousand, nine hundred eighty-nine".