451635206046564 has 48 divisors (see below), whose sum is σ = 1080258201973440. Its totient is φ = 146772570447360.

The previous prime is 451635206046547. The next prime is 451635206046587. The reversal of 451635206046564 is 465640602536154.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313866729 + ... + 315302384.

It is an arithmetic number, because the mean of its divisors is an integer number (22505379207780).

Almost surely, 2^{451635206046564} is an apocalyptic number.

It is an amenable number.

451635206046564 is an abundant number, since it is smaller than the sum of its proper divisors (628622995926876).

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

451635206046564 is a wasteful number, since it uses less digits than its factorization.

451635206046564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629170620 (or 629170618 counting only the distinct ones).

The product of its (nonzero) digits is 62208000, while the sum is 57.

The spelling of 451635206046564 in words is "four hundred fifty-one trillion, six hundred thirty-five billion, two hundred six million, forty-six thousand, five hundred sixty-four".