22560528649 has 2 divisors, whose sum is σ = 22560528650. Its totient is φ = 22560528648.

The previous prime is 22560528607. The next prime is 22560528689. The reversal of 22560528649 is 94682506522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19859855625 + 2700673024 = 140925^2 + 51968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22560528649 is a prime.

It is not a weakly prime, because it can be changed into another prime (22560528689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11280264324 + 11280264325.

It is an arithmetic number, because the mean of its divisors is an integer number (11280264325).

Almost surely, 2^22560528649 is an apocalyptic number.

It is an amenable number.

22560528649 is a deficient number, since it is larger than the sum of its proper divisors (1).

22560528649 is an equidigital number, since it uses as much as digits as its factorization.

22560528649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 22560528649 in words is "twenty-two billion, five hundred sixty million, five hundred twenty-eight thousand, six hundred forty-nine".