2622956863 has 2 divisors, whose sum is σ = 2622956864. Its totient is φ = 2622956862.

The previous prime is 2622956857. The next prime is 2622956891. The reversal of 2622956863 is 3686592262.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2622956863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2622956563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311478431 + 1311478432.

It is an arithmetic number, because the mean of its divisors is an integer number (1311478432).

Almost surely, 2^2622956863 is an apocalyptic number.

2622956863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2622956863 is an equidigital number, since it uses as much as digits as its factorization.

2622956863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 49.

The square root of 2622956863 is about 51214.8109729988. The cubic root of 2622956863 is about 1379.1040994186.

The spelling of 2622956863 in words is "two billion, six hundred twenty-two million, nine hundred fifty-six thousand, eight hundred sixty-three".