22659956563 has 2 divisors, whose sum is σ = 22659956564. Its totient is φ = 22659956562.

The previous prime is 22659956537. The next prime is 22659956593. The reversal of 22659956563 is 36565995622.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22659956563 - 2⁵ = 22659956531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22659956498 and 22659956507.

It is not a weakly prime, because it can be changed into another prime (22659956593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11329978281 + 11329978282.

It is an arithmetic number, because the mean of its divisors is an integer number (11329978282).

Almost surely, 2^22659956563 is an apocalyptic number.

22659956563 is a deficient number, since it is larger than the sum of its proper divisors (1).

22659956563 is an equidigital number, since it uses as much as digits as its factorization.

22659956563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26244000, while the sum is 58.

The spelling of 22659956563 in words is "twenty-two billion, six hundred fifty-nine million, nine hundred fifty-six thousand, five hundred sixty-three".