2056535613 has 24 divisors (see below), whose sum is σ = 3270904416. Its totient is φ = 1234730400.

The previous prime is 2056535603. The next prime is 2056535641. The reversal of 2056535613 is 3165356502.

2056535613 is a `hidden beast` number, since 2 + 0 + 5 + 6 + 5 + 35 + 613 = 666.

It is not a de Polignac number, because 2056535613 - 2⁵ = 2056535581 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056535603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86478 + ... + 107663.

It is an arithmetic number, because the mean of its divisors is an integer number (136287684).

Almost surely, 2^2056535613 is an apocalyptic number.

It is an amenable number.

2056535613 is a deficient number, since it is larger than the sum of its proper divisors (1214368803).

2056535613 is a wasteful number, since it uses less digits than its factorization.

2056535613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194265 (or 194262 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The square root of 2056535613 is about 45349.0420295732. The cubic root of 2056535613 is about 1271.6826463694.

The spelling of 2056535613 in words is "two billion, fifty-six million, five hundred thirty-five thousand, six hundred thirteen".