22536763897 has 2 divisors, whose sum is σ = 22536763898. Its totient is φ = 22536763896.

The previous prime is 22536763883. The next prime is 22536764057. The reversal of 22536763897 is 79836763522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21474264681 + 1062499216 = 146541^2 + 32596^2 .

It is a cyclic number.

It is not a de Polignac number, because 22536763897 - 2²⁷ = 22402546169 is a prime.

It is not a weakly prime, because it can be changed into another prime (22536763817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11268381948 + 11268381949.

It is an arithmetic number, because the mean of its divisors is an integer number (11268381949).

Almost surely, 2^22536763897 is an apocalyptic number.

It is an amenable number.

22536763897 is a deficient number, since it is larger than the sum of its proper divisors (1).

22536763897 is an equidigital number, since it uses as much as digits as its factorization.

22536763897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22861440, while the sum is 58.

The spelling of 22536763897 in words is "twenty-two billion, five hundred thirty-six million, seven hundred sixty-three thousand, eight hundred ninety-seven".