330434009 has 2 divisors, whose sum is σ = 330434010. Its totient is φ = 330434008.

The previous prime is 330434003. The next prime is 330434021. The reversal of 330434009 is 900434033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240715225 + 89718784 = 15515^2 + 9472^2 .

It is a cyclic number.

It is not a de Polignac number, because 330434009 - 2⁴ = 330433993 is a prime.

It is not a weakly prime, because it can be changed into another prime (330434003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165217004 + 165217005.

It is an arithmetic number, because the mean of its divisors is an integer number (165217005).

Almost surely, 2^330434009 is an apocalyptic number.

It is an amenable number.

330434009 is a deficient number, since it is larger than the sum of its proper divisors (1).

330434009 is an equidigital number, since it uses as much as digits as its factorization.

330434009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 330434009 is about 18177.8439040498. The cubic root of 330434009 is about 691.3451383560.

The spelling of 330434009 in words is "three hundred thirty million, four hundred thirty-four thousand, nine".