13638077576 has 16 divisors (see below), whose sum is σ = 25797692700. Its totient is φ = 6758692864.

The previous prime is 13638077527. The next prime is 13638077581. The reversal of 13638077576 is 67577083631.

It can be written as a sum of positive squares in 2 ways, for example, as 13421222500 + 216855076 = 115850^2 + 14726^2 .

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, 7542281 + ... + 7544088.

Almost surely, 2^13638077576 is an apocalyptic number.

It is an amenable number.

13638077576 is a deficient number, since it is larger than the sum of its proper divisors (12159615124).

13638077576 is a wasteful number, since it uses less digits than its factorization.

13638077576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15086488 (or 15086484 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 53.

The spelling of 13638077576 in words is "thirteen billion, six hundred thirty-eight million, seventy-seven thousand, five hundred seventy-six".