12713334553 has 6 divisors (see below), whose sum is σ = 13505168846. Its totient is φ = 11965491072.

The previous prime is 12713334539. The next prime is 12713334589. The reversal of 12713334553 is 35543331721.

It can be written as a sum of positive squares in 3 ways, for example, as 5695419024 + 7017915529 = 75468^2 + 83773^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12713334553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12713334503) 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, 21995100 + ... + 21995677.

Almost surely, 2^12713334553 is an apocalyptic number.

It is an amenable number.

12713334553 is a deficient number, since it is larger than the sum of its proper divisors (791834293).

12713334553 is an equidigital number, since it uses as much as digits as its factorization.

12713334553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43990811 (or 43990794 counting only the distinct ones).

The product of its digits is 113400, while the sum is 37.

The spelling of 12713334553 in words is "twelve billion, seven hundred thirteen million, three hundred thirty-four thousand, five hundred fifty-three".