330823979929 has 3 divisors (see below), whose sum is σ = 330824555103. Its totient is φ = 330823404756.

The previous prime is 330823979903. The next prime is 330823979933. The reversal of 330823979929 is 929979328033.

The square root of 330823979929 is 575173.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 168456889225 + 162367090704 = 410435^2 + 402948^2 .

It is not a de Polignac number, because 330823979929 - 2¹⁷ = 330823848857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330823970929) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 287587 + ... + 862759.

It is an arithmetic number, because the mean of its divisors is an integer number (110274851701).

Almost surely, 2^330823979929 is an apocalyptic number.

330823979929 is the 575173-rd square number.

330823979929 is the 287587-th centered octagonal number.

It is an amenable number.

330823979929 is a deficient number, since it is larger than the sum of its proper divisors (575174).

330823979929 is an frugal number, since it uses more digits than its factorization.

330823979929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150346 (or 575173 counting only the distinct ones).

The product of its (nonzero) digits is 39680928, while the sum is 64.

Multiplying 330823979929 by its sum of digits (64), we get a square (21172734715456 = 4601384²).

The spelling of 330823979929 in words is "three hundred thirty billion, eight hundred twenty-three million, nine hundred seventy-nine thousand, nine hundred twenty-nine".