13863797952 has 56 divisors (see below), whose sum is σ = 38276150016. Its totient is φ = 4420339968.

The previous prime is 13863797903. The next prime is 13863797953. The reversal of 13863797952 is 25979736831.

It is not an unprimeable number, because it can be changed into a prime (13863797953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1565308 + ... + 1574139.

Almost surely, 2^13863797952 is an apocalyptic number.

13863797952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13863797952 is an abundant number, since it is smaller than the sum of its proper divisors (24412352064).

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

13863797952 is a wasteful number, since it uses less digits than its factorization.

13863797952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139485 (or 3139475 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 60.

The spelling of 13863797952 in words is "thirteen billion, eight hundred sixty-three million, seven hundred ninety-seven thousand, nine hundred fifty-two".