18679613223 has 16 divisors (see below), whose sum is σ = 25345547136. Its totient is φ = 12235036320.

The previous prime is 18679613219. The next prime is 18679613233. The reversal of 18679613223 is 32231697681.

It is not a de Polignac number, because 18679613223 - 2² = 18679613219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18679613233) 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, 162165 + ... + 252302.

It is an arithmetic number, because the mean of its divisors is an integer number (1584096696).

Almost surely, 2^18679613223 is an apocalyptic number.

18679613223 is a deficient number, since it is larger than the sum of its proper divisors (6665933913).

18679613223 is a wasteful number, since it uses less digits than its factorization.

18679613223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414734.

The product of its digits is 653184, while the sum is 48.

The spelling of 18679613223 in words is "eighteen billion, six hundred seventy-nine million, six hundred thirteen thousand, two hundred twenty-three".