18104043930679 has 16 divisors (see below), whose sum is σ = 21385140876288. Its totient is φ = 15004604007072.

The previous prime is 18104043930617. The next prime is 18104043930701. The reversal of 18104043930679 is 97603934040181.

It is a cyclic number.

It is not a de Polignac number, because 18104043930679 - 2²⁷ = 18103909712951 is a prime.

It is a super-3 number, since 3×18104043930679³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18104043930079) 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, 331463592 + ... + 331518205.

It is an arithmetic number, because the mean of its divisors is an integer number (1336571304768).

Almost surely, 2^{18104043930679} is an apocalyptic number.

18104043930679 is a deficient number, since it is larger than the sum of its proper divisors (3281096945609).

18104043930679 is an equidigital number, since it uses as much as digits as its factorization.

18104043930679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662981934.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 18104043930679 in words is "eighteen trillion, one hundred four billion, forty-three million, nine hundred thirty thousand, six hundred seventy-nine".