13237534516 has 12 divisors (see below), whose sum is σ = 23404507588. Its totient is φ = 6550532352.

The previous prime is 13237534501. The next prime is 13237534529. The reversal of 13237534516 is 61543573231.

It can be written as a sum of positive squares in 2 ways, for example, as 4249736100 + 8987798416 = 65190^2 + 94804^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17058291 + ... + 17059066.

Almost surely, 2^13237534516 is an apocalyptic number.

It is an amenable number.

13237534516 is a deficient number, since it is larger than the sum of its proper divisors (10166973072).

13237534516 is a wasteful number, since it uses less digits than its factorization.

13237534516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34117458 (or 34117456 counting only the distinct ones).

The product of its digits is 226800, while the sum is 40.

The spelling of 13237534516 in words is "thirteen billion, two hundred thirty-seven million, five hundred thirty-four thousand, five hundred sixteen".