2622906563 has 2 divisors, whose sum is σ = 2622906564. Its totient is φ = 2622906562.

The previous prime is 2622906521. The next prime is 2622906613. The reversal of 2622906563 is 3656092262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2622906563 - 2³⁰ = 1549164739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2622906563.

It is not a weakly prime, because it can be changed into another prime (2622926563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311453281 + 1311453282.

It is an arithmetic number, because the mean of its divisors is an integer number (1311453282).

Almost surely, 2^2622906563 is an apocalyptic number.

2622906563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2622906563 is an equidigital number, since it uses as much as digits as its factorization.

2622906563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 2622906563 is about 51214.3199017619. The cubic root of 2622906563 is about 1379.0952837469.

The spelling of 2622906563 in words is "two billion, six hundred twenty-two million, nine hundred six thousand, five hundred sixty-three".