2556796313 has 8 divisors (see below), whose sum is σ = 2731535520. Its totient is φ = 2386074240.

The previous prime is 2556796309. The next prime is 2556796327. The reversal of 2556796313 is 3136976552.

2556796313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2556796313 - 2² = 2556796309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2556796303) 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, 1002968 + ... + 1005513.

It is an arithmetic number, because the mean of its divisors is an integer number (341441940).

Almost surely, 2^2556796313 is an apocalyptic number.

It is an amenable number.

2556796313 is a deficient number, since it is larger than the sum of its proper divisors (174739207).

2556796313 is a wasteful number, since it uses less digits than its factorization.

2556796313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008567.

The product of its digits is 1020600, while the sum is 47.

The square root of 2556796313 is about 50564.7734396190. The cubic root of 2556796313 is about 1367.4098704116.

The spelling of 2556796313 in words is "two billion, five hundred fifty-six million, seven hundred ninety-six thousand, three hundred thirteen".