2056449980313 has 24 divisors (see below), whose sum is σ = 3048695613600. Its totient is φ = 1334970901440.

The previous prime is 2056449980257. The next prime is 2056449980369. The reversal of 2056449980313 is 3130899446502.

2056449980313 is a `hidden beast` number, since 2 + 0 + 5 + 64 + 499 + 80 + 3 + 13 = 666.

It is an interprime number because it is at equal distance from previous prime (2056449980257) and next prime (2056449980369).

It is not a de Polignac number, because 2056449980313 - 2²⁵ = 2056416425881 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2056449980313.

It is not an unprimeable number, because it can be changed into a prime (2056449980513) 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, 5134963 + ... + 5520936.

It is an arithmetic number, because the mean of its divisors is an integer number (127028983900).

Almost surely, 2^{2056449980313} is an apocalyptic number.

It is an amenable number.

2056449980313 is a deficient number, since it is larger than the sum of its proper divisors (992245633287).

2056449980313 is a wasteful number, since it uses less digits than its factorization.

2056449980313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10656469 (or 10656466 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 2056449980313 in words is "two trillion, fifty-six billion, four hundred forty-nine million, nine hundred eighty thousand, three hundred thirteen".