5613638365 has 8 divisors (see below), whose sum is σ = 6863467608. Its totient is φ = 4406176320.

The previous prime is 5613638353. The next prime is 5613638389. The reversal of 5613638365 is 5638363165.

It can be written as a sum of positive squares in 4 ways, for example, as 10666756 + 5602971609 = 3266^2 + 74853^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5613638365 - 2⁵ = 5613638333 is a prime.

It is a Duffinian number.

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, 10591506 + ... + 10592035.

It is an arithmetic number, because the mean of its divisors is an integer number (857933451).

Almost surely, 2^5613638365 is an apocalyptic number.

It is an amenable number.

5613638365 is a deficient number, since it is larger than the sum of its proper divisors (1249829243).

5613638365 is a wasteful number, since it uses less digits than its factorization.

5613638365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21183599.

The product of its digits is 1166400, while the sum is 46.

The square root of 5613638365 is about 74924.2174800645. The cubic root of 5613638365 is about 1777.2484489031.

The spelling of 5613638365 in words is "five billion, six hundred thirteen million, six hundred thirty-eight thousand, three hundred sixty-five".