2655636613 has 16 divisors (see below), whose sum is σ = 3109265280. Its totient is φ = 2220696576.

The previous prime is 2655636569. The next prime is 2655636619. The reversal of 2655636613 is 3166365562.

It is a de Polignac number, because none of the positive numbers 2^k-2655636613 is a prime.

It is a super-2 number, since 2×2655636613² = 14104811640612223538, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2655636613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655636619) 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, 274881 + ... + 284377.

It is an arithmetic number, because the mean of its divisors is an integer number (194329080).

Almost surely, 2^2655636613 is an apocalyptic number.

It is an amenable number.

2655636613 is a deficient number, since it is larger than the sum of its proper divisors (453628667).

2655636613 is an equidigital number, since it uses as much as digits as its factorization.

2655636613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10476.

The product of its digits is 583200, while the sum is 43.

The square root of 2655636613 is about 51532.8692486650. The cubic root of 2655636613 is about 1384.8079534922.

The spelling of 2655636613 in words is "two billion, six hundred fifty-five million, six hundred thirty-six thousand, six hundred thirteen".