2056974917 has 2 divisors, whose sum is σ = 2056974918. Its totient is φ = 2056974916.

The previous prime is 2056974911. The next prime is 2056974937. The reversal of 2056974917 is 7194796502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1337072356 + 719902561 = 36566^2 + 26831^2 .

It is a cyclic number.

It is not a de Polignac number, because 2056974917 - 2¹² = 2056970821 is a prime.

It is a super-2 number, since 2×2056974917² = 8462291618334313778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2056974911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028487458 + 1028487459.

It is an arithmetic number, because the mean of its divisors is an integer number (1028487459).

Almost surely, 2^2056974917 is an apocalyptic number.

It is an amenable number.

2056974917 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056974917 is an equidigital number, since it uses as much as digits as its factorization.

2056974917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 50.

The square root of 2056974917 is about 45353.8853572657. The cubic root of 2056974917 is about 1271.7731894970.

The spelling of 2056974917 in words is "two billion, fifty-six million, nine hundred seventy-four thousand, nine hundred seventeen".