5636656396038 has 16 divisors (see below), whose sum is σ = 11535482857536. Its totient is φ = 1835190454440.

The previous prime is 5636656395961. The next prime is 5636656396039. The reversal of 5636656396038 is 8306936566365.

It is a self number, because there is not a number n which added to its sum of digits gives 5636656396038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5636656396039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10923752448 + ... + 10923752963.

It is an arithmetic number, because the mean of its divisors is an integer number (720967678596).

Almost surely, 2^{5636656396038} is an apocalyptic number.

5636656396038 is an abundant number, since it is smaller than the sum of its proper divisors (5898826461498).

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

5636656396038 is a wasteful number, since it uses less digits than its factorization.

5636656396038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21847505459.

The product of its (nonzero) digits is 377913600, while the sum is 66.

The spelling of 5636656396038 in words is "five trillion, six hundred thirty-six billion, six hundred fifty-six million, three hundred ninety-six thousand, thirty-eight".