32099165321 has 2 divisors, whose sum is σ = 32099165322. Its totient is φ = 32099165320.

The previous prime is 32099165317. The next prime is 32099165323. The reversal of 32099165321 is 12356199023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30744115600 + 1355049721 = 175340^2 + 36811^2 .

It is a cyclic number.

It is not a de Polignac number, because 32099165321 - 2² = 32099165317 is a prime.

It is a Sophie Germain prime.

Together with 32099165323, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (32099165323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16049582660 + 16049582661.

It is an arithmetic number, because the mean of its divisors is an integer number (16049582661).

Almost surely, 2^32099165321 is an apocalyptic number.

It is an amenable number.

32099165321 is a deficient number, since it is larger than the sum of its proper divisors (1).

32099165321 is an equidigital number, since it uses as much as digits as its factorization.

32099165321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 41.

The spelling of 32099165321 in words is "thirty-two billion, ninety-nine million, one hundred sixty-five thousand, three hundred twenty-one".