13976443692 has 18 divisors (see below), whose sum is σ = 35329343868. Its totient is φ = 4658814552.

The previous prime is 13976443609. The next prime is 13976443693. The reversal of 13976443692 is 29634467931.

It is a happy number.

13976443692 is a `hidden beast` number, since 139 + 7 + 6 + 443 + 69 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13976443693) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 194117238 + ... + 194117309.

It is an arithmetic number, because the mean of its divisors is an integer number (1962741326).

Almost surely, 2^13976443692 is an apocalyptic number.

13976443692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13976443692 is an abundant number, since it is smaller than the sum of its proper divisors (21352900176).

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

13976443692 is a wasteful number, since it uses less digits than its factorization.

13976443692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388234557 (or 388234552 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The spelling of 13976443692 in words is "thirteen billion, nine hundred seventy-six million, four hundred forty-three thousand, six hundred ninety-two".