18724417630712 has 16 divisors (see below), whose sum is σ = 35265719307840. Its totient is φ = 9320225815296.

The previous prime is 18724417630661. The next prime is 18724417630733. The reversal of 18724417630712 is 21703671442781.

It is a congruent number.

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, 5247873113 + ... + 5247876680.

It is an arithmetic number, because the mean of its divisors is an integer number (2204107456740).

Almost surely, 2^{18724417630712} is an apocalyptic number.

It is an amenable number.

18724417630712 is a deficient number, since it is larger than the sum of its proper divisors (16541301677128).

18724417630712 is a wasteful number, since it uses less digits than its factorization.

18724417630712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10495750022 (or 10495750018 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 53.

The spelling of 18724417630712 in words is "eighteen trillion, seven hundred twenty-four billion, four hundred seventeen million, six hundred thirty thousand, seven hundred twelve".