13791399506 has 8 divisors (see below), whose sum is σ = 21037728240. Its totient is φ = 6778823428.

The previous prime is 13791399397. The next prime is 13791399547. The reversal of 13791399506 is 60599319731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58438016 + ... + 58438251.

It is an arithmetic number, because the mean of its divisors is an integer number (2629716030).

Almost surely, 2^13791399506 is an apocalyptic number.

13791399506 is a deficient number, since it is larger than the sum of its proper divisors (7246328734).

13791399506 is a wasteful number, since it uses less digits than its factorization.

13791399506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116876328.

The product of its (nonzero) digits is 1377810, while the sum is 53.

The spelling of 13791399506 in words is "thirteen billion, seven hundred ninety-one million, three hundred ninety-nine thousand, five hundred six".