322468821613 has 2 divisors, whose sum is σ = 322468821614. Its totient is φ = 322468821612.

The previous prime is 322468821611. The next prime is 322468821641. The reversal of 322468821613 is 316128864223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280557724329 + 41911097284 = 529677^2 + 204722^2 .

It is a cyclic number.

It is not a de Polignac number, because 322468821613 - 2¹ = 322468821611 is a prime.

It is a super-2 number, since 2×322468821613² (a number of 24 digits) contains 22 as substring.

Together with 322468821611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322468821611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161234410806 + 161234410807.

It is an arithmetic number, because the mean of its divisors is an integer number (161234410807).

Almost surely, 2^322468821613 is an apocalyptic number.

It is an amenable number.

322468821613 is a deficient number, since it is larger than the sum of its proper divisors (1).

322468821613 is an equidigital number, since it uses as much as digits as its factorization.

322468821613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 663552, while the sum is 46.

The spelling of 322468821613 in words is "three hundred twenty-two billion, four hundred sixty-eight million, eight hundred twenty-one thousand, six hundred thirteen".