329311856449 has 9 divisors (see below), whose sum is σ = 347567788353. Its totient is φ = 311969324052.

The previous prime is 329311856443. The next prime is 329311856519. The reversal of 329311856449 is 944658113923.

The square root of 329311856449 is 573857.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 329311856449 - 2⁹ = 329311855937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 329311856449.

It is not an unprimeable number, because it can be changed into a prime (329311856443) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10888182 + ... + 10918384.

Almost surely, 2^329311856449 is an apocalyptic number.

329311856449 is the 573857-th square number.

329311856449 is the 286929-th centered octagonal number.

It is an amenable number.

329311856449 is a deficient number, since it is larger than the sum of its proper divisors (18255931904).

329311856449 is an frugal number, since it uses more digits than its factorization.

329311856449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60444 (or 30222 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 55.

The spelling of 329311856449 in words is "three hundred twenty-nine billion, three hundred eleven million, eight hundred fifty-six thousand, four hundred forty-nine".