56422466909 has 2 divisors, whose sum is σ = 56422466910. Its totient is φ = 56422466908.

The previous prime is 56422466833. The next prime is 56422466917. The reversal of 56422466909 is 90966422465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32284183684 + 24138283225 = 179678^2 + 155365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56422466909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56422466939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28211233454 + 28211233455.

It is an arithmetic number, because the mean of its divisors is an integer number (28211233455).

Almost surely, 2^56422466909 is an apocalyptic number.

It is an amenable number.

56422466909 is a deficient number, since it is larger than the sum of its proper divisors (1).

56422466909 is an equidigital number, since it uses as much as digits as its factorization.

56422466909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 56422466909 in words is "fifty-six billion, four hundred twenty-two million, four hundred sixty-six thousand, nine hundred nine".