13715684928 has 252 divisors, whose sum is σ = 43751473584. Its totient is φ = 4104460800.

The previous prime is 13715684863. The next prime is 13715684929. The reversal of 13715684928 is 82948651731.

13715684928 is a `hidden beast` number, since 1 + 3 + 71 + 568 + 4 + 9 + 2 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (13715684929) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5783583 + ... + 5785953.

Almost surely, 2^13715684928 is an apocalyptic number.

13715684928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13715684928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21875736792).

13715684928 is an abundant number, since it is smaller than the sum of its proper divisors (30035788656).

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

13715684928 is a wasteful number, since it uses less digits than its factorization.

13715684928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494 (or 2470 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The spelling of 13715684928 in words is "thirteen billion, seven hundred fifteen million, six hundred eighty-four thousand, nine hundred twenty-eight".