322320320789 has 2 divisors, whose sum is σ = 322320320790. Its totient is φ = 322320320788.

The previous prime is 322320320779. The next prime is 322320320801. The reversal of 322320320789 is 987023023223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241995124900 + 80325195889 = 491930^2 + 283417^2 .

It is a cyclic number.

It is not a de Polignac number, because 322320320789 - 2⁸ = 322320320533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322320320719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161160160394 + 161160160395.

It is an arithmetic number, because the mean of its divisors is an integer number (161160160395).

Almost surely, 2^322320320789 is an apocalyptic number.

It is an amenable number.

322320320789 is a deficient number, since it is larger than the sum of its proper divisors (1).

322320320789 is an equidigital number, since it uses as much as digits as its factorization.

322320320789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 322320320789 in words is "three hundred twenty-two billion, three hundred twenty million, three hundred twenty thousand, seven hundred eighty-nine".