13930479186 has 64 divisors (see below), whose sum is σ = 30576752640. Its totient is φ = 4205122560.

The previous prime is 13930479163. The next prime is 13930479197. The reversal of 13930479186 is 68197403931.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1081150 + ... + 1093958.

It is an arithmetic number, because the mean of its divisors is an integer number (477761760).

Almost surely, 2^13930479186 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13930479186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15288376320).

13930479186 is an abundant number, since it is smaller than the sum of its proper divisors (16646273454).

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

13930479186 is a wasteful number, since it uses less digits than its factorization.

13930479186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13091.

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 13930479186 in words is "thirteen billion, nine hundred thirty million, four hundred seventy-nine thousand, one hundred eighty-six".