329645093 has 2 divisors, whose sum is σ = 329645094. Its totient is φ = 329645092.

The previous prime is 329645083. The next prime is 329645111. The reversal of 329645093 is 390546923.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311946244 + 17698849 = 17662^2 + 4207^2 .

It is a cyclic number.

It is not a de Polignac number, because 329645093 - 2¹⁰ = 329644069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 329645093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (329645023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164822546 + 164822547.

It is an arithmetic number, because the mean of its divisors is an integer number (164822547).

Almost surely, 2^329645093 is an apocalyptic number.

It is an amenable number.

329645093 is a deficient number, since it is larger than the sum of its proper divisors (1).

329645093 is an equidigital number, since it uses as much as digits as its factorization.

329645093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 41.

The square root of 329645093 is about 18156.1310030524. The cubic root of 329645093 is about 690.7945010491.

The spelling of 329645093 in words is "three hundred twenty-nine million, six hundred forty-five thousand, ninety-three".