330805019 has 2 divisors, whose sum is σ = 330805020. Its totient is φ = 330805018.

The previous prime is 330805009. The next prime is 330805031. The reversal of 330805019 is 910508033.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 330805019 - 2¹² = 330800923 is a prime.

It is a super-2 number, since 2×330805019² = 218863921191180722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 330804982 and 330805000.

It is not a weakly prime, because it can be changed into another prime (330805009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165402509 + 165402510.

It is an arithmetic number, because the mean of its divisors is an integer number (165402510).

Almost surely, 2^330805019 is an apocalyptic number.

330805019 is a deficient number, since it is larger than the sum of its proper divisors (1).

330805019 is an equidigital number, since it uses as much as digits as its factorization.

330805019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 330805019 is about 18188.0460467858. The cubic root of 330805019 is about 691.6037881066.

The spelling of 330805019 in words is "three hundred thirty million, eight hundred five thousand, nineteen".