329380109 has 4 divisors (see below), whose sum is σ = 329442204. Its totient is φ = 329318016.

The previous prime is 329380097. The next prime is 329380111. The reversal of 329380109 is 901083923.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 256704484 + 72675625 = 16022^2 + 8525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-329380109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329380159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22262 + ... + 33975.

It is an arithmetic number, because the mean of its divisors is an integer number (82360551).

Almost surely, 2^329380109 is an apocalyptic number.

It is an amenable number.

329380109 is a deficient number, since it is larger than the sum of its proper divisors (62095).

329380109 is an equidigital number, since it uses as much as digits as its factorization.

329380109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62094.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 329380109 is about 18148.8321662855. The cubic root of 329380109 is about 690.6093538875.

The spelling of 329380109 in words is "three hundred twenty-nine million, three hundred eighty thousand, one hundred nine".