2056761631 has 2 divisors, whose sum is σ = 2056761632. Its totient is φ = 2056761630.

The previous prime is 2056761611. The next prime is 2056761659. The reversal of 2056761631 is 1361676502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2056761631 - 2⁷ = 2056761503 is a prime.

It is a super-2 number, since 2×2056761631² = 8460536813507560322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2056761611) 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 as a sum of consecutive naturals, namely, 1028380815 + 1028380816.

It is an arithmetic number, because the mean of its divisors is an integer number (1028380816).

Almost surely, 2^2056761631 is an apocalyptic number.

2056761631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056761631 is an equidigital number, since it uses as much as digits as its factorization.

2056761631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 2056761631 is about 45351.5339431865. The cubic root of 2056761631 is about 1271.7292316133.

The spelling of 2056761631 in words is "two billion, fifty-six million, seven hundred sixty-one thousand, six hundred thirty-one".