2631522679 has 2 divisors, whose sum is σ = 2631522680. Its totient is φ = 2631522678.

The previous prime is 2631522671. The next prime is 2631522689. The reversal of 2631522679 is 9762251362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2631522679 - 2³ = 2631522671 is a prime.

It is a super-2 number, since 2×2631522679² = 13849823220182674082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2631522671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315761339 + 1315761340.

It is an arithmetic number, because the mean of its divisors is an integer number (1315761340).

Almost surely, 2^2631522679 is an apocalyptic number.

2631522679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2631522679 is an equidigital number, since it uses as much as digits as its factorization.

2631522679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 2631522679 is about 51298.3691651109. The cubic root of 2631522679 is about 1380.6037194295.

The spelling of 2631522679 in words is "two billion, six hundred thirty-one million, five hundred twenty-two thousand, six hundred seventy-nine".