13639679952 has 20 divisors (see below), whose sum is σ = 35235840000. Its totient is φ = 4546559968.

The previous prime is 13639679951. The next prime is 13639679953. The reversal of 13639679952 is 25997693631.

It is an interprime number because it is at equal distance from previous prime (13639679951) and next prime (13639679953).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13639679951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142079952 + ... + 142080047.

It is an arithmetic number, because the mean of its divisors is an integer number (1761792000).

Almost surely, 2^13639679952 is an apocalyptic number.

13639679952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13639679952 is an abundant number, since it is smaller than the sum of its proper divisors (21596160048).

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

13639679952 is a wasteful number, since it uses less digits than its factorization.

13639679952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284160010 (or 284160004 counting only the distinct ones).

The product of its digits is 16533720, while the sum is 60.

The spelling of 13639679952 in words is "thirteen billion, six hundred thirty-nine million, six hundred seventy-nine thousand, nine hundred fifty-two".