22656465593 has 2 divisors, whose sum is σ = 22656465594. Its totient is φ = 22656465592.

The previous prime is 22656465563. The next prime is 22656465677. The reversal of 22656465593 is 39556465622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22655367289 + 1098304 = 150517^2 + 1048^2 .

It is a cyclic number.

It is not a de Polignac number, because 22656465593 - 2¹⁰ = 22656464569 is a prime.

It is not a weakly prime, because it can be changed into another prime (22656465563) 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, 11328232796 + 11328232797.

It is an arithmetic number, because the mean of its divisors is an integer number (11328232797).

Almost surely, 2^22656465593 is an apocalyptic number.

It is an amenable number.

22656465593 is a deficient number, since it is larger than the sum of its proper divisors (1).

22656465593 is an equidigital number, since it uses as much as digits as its factorization.

22656465593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664000, while the sum is 53.

The spelling of 22656465593 in words is "twenty-two billion, six hundred fifty-six million, four hundred sixty-five thousand, five hundred ninety-three".