422852560657 has 2 divisors, whose sum is σ = 422852560658. Its totient is φ = 422852560656.

The previous prime is 422852560633. The next prime is 422852560709. The reversal of 422852560657 is 756065258224.

It is an a-pointer prime, because the next prime (422852560709) can be obtained adding 422852560657 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340531769601 + 82320791056 = 583551^2 + 286916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422852560657 is a prime.

It is not a weakly prime, because it can be changed into another prime (422852560057) 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, 211426280328 + 211426280329.

It is an arithmetic number, because the mean of its divisors is an integer number (211426280329).

Almost surely, 2^422852560657 is an apocalyptic number.

It is an amenable number.

422852560657 is a deficient number, since it is larger than the sum of its proper divisors (1).

422852560657 is an equidigital number, since it uses as much as digits as its factorization.

422852560657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064000, while the sum is 52.

The spelling of 422852560657 in words is "four hundred twenty-two billion, eight hundred fifty-two million, five hundred sixty thousand, six hundred fifty-seven".