21726633410746 has 32 divisors (see below), whose sum is σ = 35634973723200. Its totient is φ = 9852884966400.

The previous prime is 21726633410737. The next prime is 21726633410851. The reversal of 21726633410746 is 64701433662712.

It is a junction number, because it is equal to n+sod(n) for n = 21726633410693 and 21726633410702.

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, 120391801 + ... + 120572131.

It is an arithmetic number, because the mean of its divisors is an integer number (1113592928850).

Almost surely, 2^{21726633410746} is an apocalyptic number.

21726633410746 is a deficient number, since it is larger than the sum of its proper divisors (13908340312454).

21726633410746 is a wasteful number, since it uses less digits than its factorization.

21726633410746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192990.

The product of its (nonzero) digits is 6096384, while the sum is 52.

The spelling of 21726633410746 in words is "twenty-one trillion, seven hundred twenty-six billion, six hundred thirty-three million, four hundred ten thousand, seven hundred forty-six".