13552744634 has 48 divisors (see below), whose sum is σ = 24099545736. Its totient is φ = 5678090880.

The previous prime is 13552744633. The next prime is 13552744661. The reversal of 13552744634 is 43644725531.

It can be written as a sum of positive squares in 4 ways, for example, as 2347887025 + 11204857609 = 48455^2 + 105853^2 .

It is a super-2 number, since 2×13552744634² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13552744633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2429072 + ... + 2434644.

Almost surely, 2^13552744634 is an apocalyptic number.

13552744634 is a deficient number, since it is larger than the sum of its proper divisors (10546801102).

13552744634 is a wasteful number, since it uses less digits than its factorization.

13552744634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6383 (or 6372 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 44.

The spelling of 13552744634 in words is "thirteen billion, five hundred fifty-two million, seven hundred forty-four thousand, six hundred thirty-four".