21833338382956 has 12 divisors (see below), whose sum is σ = 38208375445968. Its totient is φ = 10916659684112.

The previous prime is 21833338382927. The next prime is 21833338382963. The reversal of 21833338382956 is 65928383333812.

It is a super-2 number, since 2×21833338382956² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6352065 + ... + 9165991.

It is an arithmetic number, because the mean of its divisors is an integer number (3184031287164).

Almost surely, 2^{21833338382956} is an apocalyptic number.

It is an amenable number.

21833338382956 is a deficient number, since it is larger than the sum of its proper divisors (16375037063012).

21833338382956 is a wasteful number, since it uses less digits than its factorization.

21833338382956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4753688 (or 4753686 counting only the distinct ones).

The product of its digits is 134369280, while the sum is 64.

The spelling of 21833338382956 in words is "twenty-one trillion, eight hundred thirty-three billion, three hundred thirty-eight million, three hundred eighty-two thousand, nine hundred fifty-six".