18039670413 has 16 divisors (see below), whose sum is σ = 24348703680. Its totient is φ = 11879270144.

The previous prime is 18039670399. The next prime is 18039670469. The reversal of 18039670413 is 31407693081.

It is a cyclic number.

It is not a de Polignac number, because 18039670413 - 2²⁴ = 18022893197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18039670813) 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, 8518 + ... + 190136.

It is an arithmetic number, because the mean of its divisors is an integer number (1521793980).

Almost surely, 2^18039670413 is an apocalyptic number.

It is an amenable number.

18039670413 is a deficient number, since it is larger than the sum of its proper divisors (6309033267).

18039670413 is a wasteful number, since it uses less digits than its factorization.

18039670413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182028.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 18039670413 in words is "eighteen billion, thirty-nine million, six hundred seventy thousand, four hundred thirteen".