21675492595344 has 80 divisors (see below), whose sum is σ = 63997564286592. Its totient is φ = 6192683096064.

The previous prime is 21675492595333. The next prime is 21675492595357. The reversal of 21675492595344 is 44359529457612.

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, 5020822 + ... + 8280074.

Almost surely, 2^{21675492595344} is an apocalyptic number.

21675492595344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21675492595344 is an abundant number, since it is smaller than the sum of its proper divisors (42322071691248).

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

21675492595344 is a wasteful number, since it uses less digits than its factorization.

21675492595344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279064 (or 3279058 counting only the distinct ones).

The product of its digits is 326592000, while the sum is 66.

The spelling of 21675492595344 in words is "twenty-one trillion, six hundred seventy-five billion, four hundred ninety-two million, five hundred ninety-five thousand, three hundred forty-four".