13679447004 has 72 divisors (see below), whose sum is σ = 35900871552. Its totient is φ = 4387155840.

The previous prime is 13679446997. The next prime is 13679447027. The reversal of 13679447004 is 40074497631.

13679447004 is a `hidden beast` number, since 136 + 79 + 447 + 0 + 0 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157642 + ... + 228494.

It is an arithmetic number, because the mean of its divisors is an integer number (498623216).

Almost surely, 2^13679447004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13679447004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17950435776).

13679447004 is an abundant number, since it is smaller than the sum of its proper divisors (22221424548).

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

13679447004 is a wasteful number, since it uses less digits than its factorization.

13679447004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71067 (or 71062 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 13679447004 in words is "thirteen billion, six hundred seventy-nine million, four hundred forty-seven thousand, four".