22657803809 has 2 divisors, whose sum is σ = 22657803810. Its totient is φ = 22657803808.

The previous prime is 22657803793. The next prime is 22657803863. The reversal of 22657803809 is 90830875622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12062189584 + 10595614225 = 109828^2 + 102935^2 .

It is a cyclic number.

It is not a de Polignac number, because 22657803809 - 2⁴ = 22657803793 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22650803809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11328901904 + 11328901905.

It is an arithmetic number, because the mean of its divisors is an integer number (11328901905).

Almost surely, 2^22657803809 is an apocalyptic number.

It is an amenable number.

22657803809 is a deficient number, since it is larger than the sum of its proper divisors (1).

22657803809 is an equidigital number, since it uses as much as digits as its factorization.

22657803809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 22657803809 in words is "twenty-two billion, six hundred fifty-seven million, eight hundred three thousand, eight hundred nine".