22650616529 has 2 divisors, whose sum is σ = 22650616530. Its totient is φ = 22650616528.

The previous prime is 22650616523. The next prime is 22650616559. The reversal of 22650616529 is 92561605622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22290490000 + 360126529 = 149300^2 + 18977^2 .

It is a cyclic number.

It is not a de Polignac number, because 22650616529 - 2⁸ = 22650616273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22650616529.

It is not a weakly prime, because it can be changed into another prime (22650616523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11325308264 + 11325308265.

It is an arithmetic number, because the mean of its divisors is an integer number (11325308265).

Almost surely, 2^22650616529 is an apocalyptic number.

It is an amenable number.

22650616529 is a deficient number, since it is larger than the sum of its proper divisors (1).

22650616529 is an equidigital number, since it uses as much as digits as its factorization.

22650616529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 22650616529 in words is "twenty-two billion, six hundred fifty million, six hundred sixteen thousand, five hundred twenty-nine".