18754497084 has 24 divisors (see below), whose sum is σ = 45269476560. Its totient is φ = 6035929984.

The previous prime is 18754497049. The next prime is 18754497127. The reversal of 18754497084 is 48079445781.

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, 26945769 + ... + 26946464.

It is an arithmetic number, because the mean of its divisors is an integer number (1886228190).

Almost surely, 2^18754497084 is an apocalyptic number.

It is an amenable number.

18754497084 is an abundant number, since it is smaller than the sum of its proper divisors (26514979476).

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

18754497084 is a wasteful number, since it uses less digits than its factorization.

18754497084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53892269 (or 53892267 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 57.

The spelling of 18754497084 in words is "eighteen billion, seven hundred fifty-four million, four hundred ninety-seven thousand, eighty-four".