22891632613 has 2 divisors, whose sum is σ = 22891632614. Its totient is φ = 22891632612.

The previous prime is 22891632587. The next prime is 22891632619. The reversal of 22891632613 is 31623619822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22721643169 + 169989444 = 150737^2 + 13038^2 .

It is a cyclic number.

It is not a de Polignac number, because 22891632613 - 2⁵ = 22891632581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22891632613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22891632619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11445816306 + 11445816307.

It is an arithmetic number, because the mean of its divisors is an integer number (11445816307).

Almost surely, 2^22891632613 is an apocalyptic number.

It is an amenable number.

22891632613 is a deficient number, since it is larger than the sum of its proper divisors (1).

22891632613 is an equidigital number, since it uses as much as digits as its factorization.

22891632613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 43.

The spelling of 22891632613 in words is "twenty-two billion, eight hundred ninety-one million, six hundred thirty-two thousand, six hundred thirteen".