329956334849 has 8 divisors (see below), whose sum is σ = 330135889512. Its totient is φ = 329776836480.

The previous prime is 329956334837. The next prime is 329956334857. The reversal of 329956334849 is 948433659923.

It can be written as a sum of positive squares in 4 ways, for example, as 118926350449 + 211029984400 = 344857^2 + 459380^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 329956334849 - 2⁴ = 329956334833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (329956337849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16493597 + ... + 16513589.

It is an arithmetic number, because the mean of its divisors is an integer number (41266986189).

Almost surely, 2^329956334849 is an apocalyptic number.

It is an amenable number.

329956334849 is a deficient number, since it is larger than the sum of its proper divisors (179554663).

329956334849 is a wasteful number, since it uses less digits than its factorization.

329956334849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28147.

The product of its digits is 151165440, while the sum is 65.

The spelling of 329956334849 in words is "three hundred twenty-nine billion, nine hundred fifty-six million, three hundred thirty-four thousand, eight hundred forty-nine".