2056974786 has 12 divisors (see below), whose sum is σ = 4456778742. Its totient is φ = 685658256.

The previous prime is 2056974779. The next prime is 2056974793. The reversal of 2056974786 is 6874796502.

2056974786 is a `hidden beast` number, since 2 + 0 + 569 + 7 + 4 + 78 + 6 = 666.

2056974786 is nontrivially palindromic in base 11.

It is an interprime number because it is at equal distance from previous prime (2056974779) and next prime (2056974793).

It can be written as a sum of positive squares in only one way, i.e., 1896167025 + 160807761 = 43545^2 + 12681^2 .

It is a super-2 number, since 2×2056974786² = 8462290540479491592, which contains 22 as substring.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 57138171 + ... + 57138206.

Almost surely, 2^2056974786 is an apocalyptic number.

2056974786 is an abundant number, since it is smaller than the sum of its proper divisors (2399803956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2056974786 is a wasteful number, since it uses less digits than its factorization.

2056974786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114276385 (or 114276382 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The square root of 2056974786 is about 45353.8839130675. The cubic root of 2056974786 is about 1271.7731624990.

The spelling of 2056974786 in words is "two billion, fifty-six million, nine hundred seventy-four thousand, seven hundred eighty-six".