18873748704 has 48 divisors (see below), whose sum is σ = 52457923728. Its totient is φ = 5921175552.

The previous prime is 18873748681. The next prime is 18873748711. The reversal of 18873748704 is 40784737881.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 5780767 + ... + 5784030.

It is an arithmetic number, because the mean of its divisors is an integer number (1092873411).

Almost surely, 2^18873748704 is an apocalyptic number.

It is an amenable number.

18873748704 is an abundant number, since it is smaller than the sum of its proper divisors (33584175024).

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

18873748704 is a wasteful number, since it uses less digits than its factorization.

18873748704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11564827 (or 11564819 counting only the distinct ones).

The product of its (nonzero) digits is 8429568, while the sum is 57.

The spelling of 18873748704 in words is "eighteen billion, eight hundred seventy-three million, seven hundred forty-eight thousand, seven hundred four".