13479973402 has 16 divisors (see below), whose sum is σ = 23580129600. Its totient is φ = 5777131164.

The previous prime is 13479973391. The next prime is 13479973427. The reversal of 13479973402 is 20437997431.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9824368 + ... + 9825739.

It is an arithmetic number, because the mean of its divisors is an integer number (1473758100).

Almost surely, 2^13479973402 is an apocalyptic number.

13479973402 is a deficient number, since it is larger than the sum of its proper divisors (10100156198).

13479973402 is an equidigital number, since it uses as much as digits as its factorization.

13479973402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19650130 (or 19650116 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 49.

The spelling of 13479973402 in words is "thirteen billion, four hundred seventy-nine million, nine hundred seventy-three thousand, four hundred two".