13899504784 has 40 divisors (see below), whose sum is σ = 29385306720. Its totient is φ = 6316492800.

The previous prime is 13899504757. The next prime is 13899504797. The reversal of 13899504784 is 48740599831.

13899504784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1221232 + ... + 1232560.

It is an arithmetic number, because the mean of its divisors is an integer number (734632668).

Almost surely, 2^13899504784 is an apocalyptic number.

It is an amenable number.

13899504784 is an abundant number, since it is smaller than the sum of its proper divisors (15485801936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13899504784 is a wasteful number, since it uses less digits than its factorization.

13899504784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18319 (or 18313 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 13899504784 in words is "thirteen billion, eight hundred ninety-nine million, five hundred four thousand, seven hundred eighty-four".