18928109110 has 32 divisors (see below), whose sum is σ = 34229252160. Its totient is φ = 7536033792.

The previous prime is 18928109071. The next prime is 18928109113. The reversal of 18928109110 is 1190182981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18928109113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5361826 + ... + 5365354.

It is an arithmetic number, because the mean of its divisors is an integer number (1069664130).

Almost surely, 2^18928109110 is an apocalyptic number.

18928109110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18928109110 is a deficient number, since it is larger than the sum of its proper divisors (15301143050).

18928109110 is a wasteful number, since it uses less digits than its factorization.

18928109110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5880.

The product of its (nonzero) digits is 10368, while the sum is 40.

The spelling of 18928109110 in words is "eighteen billion, nine hundred twenty-eight million, one hundred nine thousand, one hundred ten".