18930710904 has 64 divisors (see below), whose sum is σ = 54108172800. Its totient is φ = 5406731904.

The previous prime is 18930710891. The next prime is 18930710941. The reversal of 18930710904 is 40901703981.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 456757 + ... + 496475.

It is an arithmetic number, because the mean of its divisors is an integer number (845440200).

Almost surely, 2^18930710904 is an apocalyptic number.

18930710904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18930710904 is an abundant number, since it is smaller than the sum of its proper divisors (35177461896).

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

18930710904 is a wasteful number, since it uses less digits than its factorization.

18930710904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42572 (or 42568 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The spelling of 18930710904 in words is "eighteen billion, nine hundred thirty million, seven hundred ten thousand, nine hundred four".