18412860179 has 4 divisors (see below), whose sum is σ = 21043268784. Its totient is φ = 15782451576.

The previous prime is 18412860173. The next prime is 18412860269. The reversal of 18412860179 is 97106821481.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18412860179 - 2²⁸ = 18144424723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18412860173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315204292 + ... + 1315204305.

It is an arithmetic number, because the mean of its divisors is an integer number (5260817196).

Almost surely, 2^18412860179 is an apocalyptic number.

18412860179 is a deficient number, since it is larger than the sum of its proper divisors (2630408605).

18412860179 is an equidigital number, since it uses as much as digits as its factorization.

18412860179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630408604.

The product of its (nonzero) digits is 193536, while the sum is 47.

The spelling of 18412860179 in words is "eighteen billion, four hundred twelve million, eight hundred sixty thousand, one hundred seventy-nine".