18906048910 has 64 divisors (see below), whose sum is σ = 39322483200. Its totient is φ = 6410627712.

The previous prime is 18906048881. The next prime is 18906048943. The reversal of 18906048910 is 1984060981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4720969 + ... + 4724971.

It is an arithmetic number, because the mean of its divisors is an integer number (614413800).

Almost surely, 2^18906048910 is an apocalyptic number.

18906048910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18906048910 is an abundant number, since it is smaller than the sum of its proper divisors (20416434290).

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

18906048910 is a wasteful number, since it uses less digits than its factorization.

18906048910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745.

The product of its (nonzero) digits is 124416, while the sum is 46.

The spelling of 18906048910 in words is "eighteen billion, nine hundred six million, forty-eight thousand, nine hundred ten".