2956656631 has 2 divisors, whose sum is σ = 2956656632. Its totient is φ = 2956656630.

The previous prime is 2956656611. The next prime is 2956656649. The reversal of 2956656631 is 1366566592.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2956656631 - 2¹⁹ = 2956132343 is a prime.

It is a super-2 number, since 2×2956656631² = 17483636867272540322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2956656611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1478328315 + 1478328316.

It is an arithmetic number, because the mean of its divisors is an integer number (1478328316).

Almost surely, 2^2956656631 is an apocalyptic number.

2956656631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2956656631 is an equidigital number, since it uses as much as digits as its factorization.

2956656631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1749600, while the sum is 49.

The square root of 2956656631 is about 54375.1471814100. The cubic root of 2956656631 is about 1435.2700760349.

The spelling of 2956656631 in words is "two billion, nine hundred fifty-six million, six hundred fifty-six thousand, six hundred thirty-one".