329817235213 has 4 divisors (see below), whose sum is σ = 330144111580. Its totient is φ = 329490358848.

The previous prime is 329817235199. The next prime is 329817235261. The reversal of 329817235213 is 312532718923.

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 218423500164 + 111393735049 = 467358^2 + 333757^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-329817235213 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 (329817230213) 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, 163436670 + ... + 163438687.

It is an arithmetic number, because the mean of its divisors is an integer number (82536027895).

Almost surely, 2^329817235213 is an apocalyptic number.

It is an amenable number.

329817235213 is a deficient number, since it is larger than the sum of its proper divisors (326876367).

329817235213 is a wasteful number, since it uses less digits than its factorization.

329817235213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326876366.

The product of its digits is 544320, while the sum is 46.

The spelling of 329817235213 in words is "three hundred twenty-nine billion, eight hundred seventeen million, two hundred thirty-five thousand, two hundred thirteen".