27138795635 has 16 divisors (see below), whose sum is σ = 39177811200. Its totient is φ = 17630014176.

The previous prime is 27138795613. The next prime is 27138795637. The reversal of 27138795635 is 53659783172.

It is a cyclic number.

It is not a de Polignac number, because 27138795635 - 2⁶ = 27138795571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27138795637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20404445 + ... + 20405774.

It is an arithmetic number, because the mean of its divisors is an integer number (2448613200).

Almost surely, 2^27138795635 is an apocalyptic number.

27138795635 is a deficient number, since it is larger than the sum of its proper divisors (12039015565).

27138795635 is a wasteful number, since it uses less digits than its factorization.

27138795635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40810250.

The product of its digits is 9525600, while the sum is 56.

The spelling of 27138795635 in words is "twenty-seven billion, one hundred thirty-eight million, seven hundred ninety-five thousand, six hundred thirty-five".