326132422921 has 2 divisors, whose sum is σ = 326132422922. Its totient is φ = 326132422920.

The previous prime is 326132422867. The next prime is 326132422969. The reversal of 326132422921 is 129224231623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 325657400896 + 475022025 = 570664^2 + 21795^2 .

It is a cyclic number.

It is not a de Polignac number, because 326132422921 - 2²⁷ = 325998205193 is a prime.

It is not a weakly prime, because it can be changed into another prime (326133422921) 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, 163066211460 + 163066211461.

It is an arithmetic number, because the mean of its divisors is an integer number (163066211461).

Almost surely, 2^326132422921 is an apocalyptic number.

It is an amenable number.

326132422921 is a deficient number, since it is larger than the sum of its proper divisors (1).

326132422921 is an equidigital number, since it uses as much as digits as its factorization.

326132422921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 37.

The spelling of 326132422921 in words is "three hundred twenty-six billion, one hundred thirty-two million, four hundred twenty-two thousand, nine hundred twenty-one".