18639080119 has 16 divisors (see below), whose sum is σ = 21000268800. Its totient is φ = 16389576000.

The previous prime is 18639080111. The next prime is 18639080153. The reversal of 18639080119 is 91108093681.

It is a happy number.

It is not a de Polignac number, because 18639080119 - 2³ = 18639080111 is a prime.

It is a super-2 number, since 2×18639080119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18639080111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 702739 + ... + 728779.

It is an arithmetic number, because the mean of its divisors is an integer number (1312516800).

Almost surely, 2^18639080119 is an apocalyptic number.

18639080119 is a deficient number, since it is larger than the sum of its proper divisors (2361188681).

18639080119 is a wasteful number, since it uses less digits than its factorization.

18639080119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28182.

The product of its (nonzero) digits is 93312, while the sum is 46.

The spelling of 18639080119 in words is "eighteen billion, six hundred thirty-nine million, eighty thousand, one hundred nineteen".