13629564693 has 6 divisors (see below), whose sum is σ = 19687149014. Its totient is φ = 9086376456.

The previous prime is 13629564677. The next prime is 13629564701. The reversal of 13629564693 is 39646592631.

13629564693 is a `hidden beast` number, since 1 + 3 + 629 + 5 + 6 + 4 + 6 + 9 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9591851844 + 4037712849 = 97938^2 + 63543^2 .

It is not a de Polignac number, because 13629564693 - 2⁴ = 13629564677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13629564673) 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, 757198030 + ... + 757198047.

Almost surely, 2^13629564693 is an apocalyptic number.

It is an amenable number.

13629564693 is a deficient number, since it is larger than the sum of its proper divisors (6057584321).

13629564693 is a wasteful number, since it uses less digits than its factorization.

13629564693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514396083 (or 1514396080 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 54.

The spelling of 13629564693 in words is "thirteen billion, six hundred twenty-nine million, five hundred sixty-four thousand, six hundred ninety-three".