330421109 has 2 divisors, whose sum is σ = 330421110. Its totient is φ = 330421108.

The previous prime is 330421097. The next prime is 330421127. The reversal of 330421109 is 901124033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241647025 + 88774084 = 15545^2 + 9422^2 .

It is an emirp because it is prime and its reverse (901124033) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330421109 is a prime.

It is a super-3 number, since 3×330421109³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330421199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165210554 + 165210555.

It is an arithmetic number, because the mean of its divisors is an integer number (165210555).

Almost surely, 2^330421109 is an apocalyptic number.

It is an amenable number.

330421109 is a deficient number, since it is larger than the sum of its proper divisors (1).

330421109 is an equidigital number, since it uses as much as digits as its factorization.

330421109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 330421109 is about 18177.4890730266. The cubic root of 330421109 is about 691.3361416344.

The spelling of 330421109 in words is "three hundred thirty million, four hundred twenty-one thousand, one hundred nine".