5608838261 has 16 divisors (see below), whose sum is σ = 6158953584. Its totient is φ = 5075825664.

The previous prime is 5608838239. The next prime is 5608838267. The reversal of 5608838261 is 1628388065.

It can be written as a sum of positive squares in 8 ways, for example, as 682202161 + 4926636100 = 26119^2 + 70190^2 .

It is not a de Polignac number, because 5608838261 - 2⁶ = 5608838197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5608838267) 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, 1291085 + ... + 1295421.

It is an arithmetic number, because the mean of its divisors is an integer number (384934599).

Almost surely, 2^5608838261 is an apocalyptic number.

It is an amenable number.

5608838261 is a deficient number, since it is larger than the sum of its proper divisors (550115323).

5608838261 is a wasteful number, since it uses less digits than its factorization.

5608838261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280.

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 5608838261 is about 74892.1775688222. The cubic root of 5608838261 is about 1776.7417418715.

It can be divided in two parts, 56088 and 38261, that added together give a palindrome (94349).

The spelling of 5608838261 in words is "five billion, six hundred eight million, eight hundred thirty-eight thousand, two hundred sixty-one".