18039876379 has 16 divisors (see below), whose sum is σ = 21272767488. Its totient is φ = 14977711872.

The previous prime is 18039876359. The next prime is 18039876389. The reversal of 18039876379 is 97367893081.

It is a cyclic number.

It is not a de Polignac number, because 18039876379 - 2¹¹ = 18039874331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18039876319) 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, 250729 + ... + 314554.

It is an arithmetic number, because the mean of its divisors is an integer number (1329547968).

Almost surely, 2^18039876379 is an apocalyptic number.

18039876379 is a deficient number, since it is larger than the sum of its proper divisors (3232891109).

18039876379 is an equidigital number, since it uses as much as digits as its factorization.

18039876379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565434.

The product of its (nonzero) digits is 13716864, while the sum is 61.

The spelling of 18039876379 in words is "eighteen billion, thirty-nine million, eight hundred seventy-six thousand, three hundred seventy-nine".