18793549712 has 40 divisors (see below), whose sum is σ = 42739008576. Its totient is φ = 7836690816.

The previous prime is 18793549679. The next prime is 18793549739. The reversal of 18793549712 is 21794539781.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2263418 + ... + 2271705.

Almost surely, 2^18793549712 is an apocalyptic number.

It is an amenable number.

18793549712 is an abundant number, since it is smaller than the sum of its proper divisors (23945458864).

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

18793549712 is a wasteful number, since it uses less digits than its factorization.

18793549712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535175 (or 4535169 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 56.

The spelling of 18793549712 in words is "eighteen billion, seven hundred ninety-three million, five hundred forty-nine thousand, seven hundred twelve".