32221129806791 has 2 divisors, whose sum is σ = 32221129806792. Its totient is φ = 32221129806790.

The previous prime is 32221129806769. The next prime is 32221129806937. The reversal of 32221129806791 is 19760892112223.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32221129806791 - 2¹⁴ = 32221129790407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32221129806091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16110564903395 + 16110564903396.

It is an arithmetic number, because the mean of its divisors is an integer number (16110564903396).

Almost surely, 2^{32221129806791} is an apocalyptic number.

32221129806791 is a deficient number, since it is larger than the sum of its proper divisors (1).

32221129806791 is an equidigital number, since it uses as much as digits as its factorization.

32221129806791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 32221129806791 in words is "thirty-two trillion, two hundred twenty-one billion, one hundred twenty-nine million, eight hundred six thousand, seven hundred ninety-one".