453421665834 has 32 divisors (see below), whose sum is σ = 915736098816. Its totient is φ = 149659716720.

The previous prime is 453421665821. The next prime is 453421665841. The reversal of 453421665834 is 438566124354.

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, 1256889 + ... + 1576899.

It is an arithmetic number, because the mean of its divisors is an integer number (28616753088).

Almost surely, 2^453421665834 is an apocalyptic number.

453421665834 is an abundant number, since it is smaller than the sum of its proper divisors (462314432982).

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

453421665834 is a wasteful number, since it uses less digits than its factorization.

453421665834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322330.

The product of its digits is 8294400, while the sum is 51.

The spelling of 453421665834 in words is "four hundred fifty-three billion, four hundred twenty-one million, six hundred sixty-five thousand, eight hundred thirty-four".