451653865748994 has 64 divisors (see below), whose sum is σ = 907289891735040. Its totient is φ = 149888989071360.

The previous prime is 451653865748947. The next prime is 451653865749017. The reversal of 451653865748994 is 499847568356154.

It is a super-2 number, since 2×451653865748994² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4531579149 + ... + 4531678815.

It is an arithmetic number, because the mean of its divisors is an integer number (14176404558360).

Almost surely, 2^{451653865748994} is an apocalyptic number.

451653865748994 is an abundant number, since it is smaller than the sum of its proper divisors (455636025986046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451653865748994 is a wasteful number, since it uses less digits than its factorization.

451653865748994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103135.

The product of its digits is 31352832000, while the sum is 84.

The spelling of 451653865748994 in words is "four hundred fifty-one trillion, six hundred fifty-three billion, eight hundred sixty-five million, seven hundred forty-eight thousand, nine hundred ninety-four".