329949613 has 4 divisors (see below), whose sum is σ = 377085280. Its totient is φ = 282813948.

The previous prime is 329949593. The next prime is 329949619. The reversal of 329949613 is 316949923.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-329949613 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 (329949619) 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, 23567823 + ... + 23567836.

It is an arithmetic number, because the mean of its divisors is an integer number (94271320).

Almost surely, 2^329949613 is an apocalyptic number.

It is an amenable number.

329949613 is a deficient number, since it is larger than the sum of its proper divisors (47135667).

329949613 is an equidigital number, since it uses as much as digits as its factorization.

329949613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47135666.

The product of its digits is 314928, while the sum is 46.

The square root of 329949613 is about 18164.5152151110. The cubic root of 329949613 is about 691.0071499487.

The spelling of 329949613 in words is "three hundred twenty-nine million, nine hundred forty-nine thousand, six hundred thirteen".