2056083638857 has 4 divisors (see below), whose sum is σ = 2059516166400. Its totient is φ = 2052651111316.

The previous prime is 2056083638771. The next prime is 2056083638927. The reversal of 2056083638857 is 7588363806502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2056083638857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2056083638795 and 2056083638804.

It is not an unprimeable number, because it can be changed into a prime (2056083638657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1716262873 + ... + 1716264070.

It is an arithmetic number, because the mean of its divisors is an integer number (514879041600).

Almost surely, 2^{2056083638857} is an apocalyptic number.

It is an amenable number.

2056083638857 is a deficient number, since it is larger than the sum of its proper divisors (3432527543).

2056083638857 is an equidigital number, since it uses as much as digits as its factorization.

2056083638857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432527542.

The product of its (nonzero) digits is 58060800, while the sum is 61.

The spelling of 2056083638857 in words is "two trillion, fifty-six billion, eighty-three million, six hundred thirty-eight thousand, eight hundred fifty-seven".