2536936638 has 16 divisors (see below), whose sum is σ = 5138100480. Its totient is φ = 834941016.

The previous prime is 2536936609. The next prime is 2536936643. The reversal of 2536936638 is 8366396352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2675620 + ... + 2676567.

It is an arithmetic number, because the mean of its divisors is an integer number (321131280).

Almost surely, 2^2536936638 is an apocalyptic number.

2536936638 is an abundant number, since it is smaller than the sum of its proper divisors (2601163842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2536936638 is a wasteful number, since it uses less digits than its factorization.

2536936638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352271.

The product of its digits is 4199040, while the sum is 51.

The square root of 2536936638 is about 50368.0120513010. The cubic root of 2536936638 is about 1363.8602548445.

The spelling of 2536936638 in words is "two billion, five hundred thirty-six million, nine hundred thirty-six thousand, six hundred thirty-eight".