330769009 has 2 divisors, whose sum is σ = 330769010. Its totient is φ = 330769008.

The previous prime is 330769007. The next prime is 330769063. The reversal of 330769009 is 900967033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209438784 + 121330225 = 14472^2 + 11015^2 .

It is an emirp because it is prime and its reverse (900967033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 330769009 - 2¹ = 330769007 is a prime.

Together with 330769007, it forms a pair of twin primes.

It is equal to p_17824483 and since 330769009 and 17824483 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (330769007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165384504 + 165384505.

It is an arithmetic number, because the mean of its divisors is an integer number (165384505).

Almost surely, 2^330769009 is an apocalyptic number.

It is an amenable number.

330769009 is a deficient number, since it is larger than the sum of its proper divisors (1).

330769009 is an equidigital number, since it uses as much as digits as its factorization.

330769009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 37.

The square root of 330769009 is about 18187.0560839296. The cubic root of 330769009 is about 691.5786921995.

The spelling of 330769009 in words is "three hundred thirty million, seven hundred sixty-nine thousand, nine".