13264644043 has 16 divisors (see below), whose sum is σ = 16392858624. Its totient is φ = 10473206400.

The previous prime is 13264644017. The next prime is 13264644079. The reversal of 13264644043 is 34044646231.

It is a cyclic number.

It is not a de Polignac number, because 13264644043 - 2²⁵ = 13231089611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13264643993 and 13264644011.

It is not an unprimeable number, because it can be changed into a prime (13264644643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1180233 + ... + 1191418.

It is an arithmetic number, because the mean of its divisors is an integer number (1024553664).

Almost surely, 2^13264644043 is an apocalyptic number.

13264644043 is a deficient number, since it is larger than the sum of its proper divisors (3128214581).

13264644043 is a wasteful number, since it uses less digits than its factorization.

13264644043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371722.

The product of its (nonzero) digits is 165888, while the sum is 37.

The spelling of 13264644043 in words is "thirteen billion, two hundred sixty-four million, six hundred forty-four thousand, forty-three".