322113879491 has 2 divisors, whose sum is σ = 322113879492. Its totient is φ = 322113879490.

The previous prime is 322113879487. The next prime is 322113879533. The reversal of 322113879491 is 194978311223.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (194978311223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 322113879491 - 2² = 322113879487 is a prime.

It is not a weakly prime, because it can be changed into another prime (322113879391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161056939745 + 161056939746.

It is an arithmetic number, because the mean of its divisors is an integer number (161056939746).

Almost surely, 2^322113879491 is an apocalyptic number.

322113879491 is a deficient number, since it is larger than the sum of its proper divisors (1).

322113879491 is an equidigital number, since it uses as much as digits as its factorization.

322113879491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 50.

The spelling of 322113879491 in words is "three hundred twenty-two billion, one hundred thirteen million, eight hundred seventy-nine thousand, four hundred ninety-one".