822361123609 has 2 divisors, whose sum is σ = 822361123610. Its totient is φ = 822361123608.

The previous prime is 822361123579. The next prime is 822361123679. The reversal of 822361123609 is 906321163228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 797086483209 + 25274640400 = 892797^2 + 158980^2 .

It is a cyclic number.

It is not a de Polignac number, because 822361123609 - 2⁷ = 822361123481 is a prime.

It is not a weakly prime, because it can be changed into another prime (822361123679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411180561804 + 411180561805.

It is an arithmetic number, because the mean of its divisors is an integer number (411180561805).

Almost surely, 2^822361123609 is an apocalyptic number.

It is an amenable number.

822361123609 is a deficient number, since it is larger than the sum of its proper divisors (1).

822361123609 is an equidigital number, since it uses as much as digits as its factorization.

822361123609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 822361123609 in words is "eight hundred twenty-two billion, three hundred sixty-one million, one hundred twenty-three thousand, six hundred nine".