32099161321 has 2 divisors, whose sum is σ = 32099161322. Its totient is φ = 32099161320.

The previous prime is 32099161291. The next prime is 32099161343. The reversal of 32099161321 is 12316199023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28370349225 + 3728812096 = 168435^2 + 61064^2 .

It is an emirp because it is prime and its reverse (12316199023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32099161321 - 2²⁵ = 32065606889 is a prime.

It is not a weakly prime, because it can be changed into another prime (32099165321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16049580660 + 16049580661.

It is an arithmetic number, because the mean of its divisors is an integer number (16049580661).

Almost surely, 2^32099161321 is an apocalyptic number.

It is an amenable number.

32099161321 is a deficient number, since it is larger than the sum of its proper divisors (1).

32099161321 is an equidigital number, since it uses as much as digits as its factorization.

32099161321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 32099161321 in words is "thirty-two billion, ninety-nine million, one hundred sixty-one thousand, three hundred twenty-one".