13975443016 has 16 divisors (see below), whose sum is σ = 26205372540. Its totient is φ = 6987343680.

The previous prime is 13975442993. The next prime is 13975443017. The reversal of 13975443016 is 61034457931.

It can be written as a sum of positive squares in 2 ways, for example, as 13818942916 + 156500100 = 117554^2 + 12510^2 .

It is not an unprimeable number, because it can be changed into a prime (13975443017) 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, 167286 + ... + 236506.

Almost surely, 2^13975443016 is an apocalyptic number.

It is an amenable number.

13975443016 is a deficient number, since it is larger than the sum of its proper divisors (12229929524).

13975443016 is a wasteful number, since it uses less digits than its factorization.

13975443016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94464 (or 94460 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 13975443016 in words is "thirteen billion, nine hundred seventy-five million, four hundred forty-three thousand, sixteen".