330401189 has 2 divisors, whose sum is σ = 330401190. Its totient is φ = 330401188.

The previous prime is 330401177. The next prime is 330401191. The reversal of 330401189 is 981104033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320052100 + 10349089 = 17890^2 + 3217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330401189 is a prime.

It is a super-2 number, since 2×330401189² = 218329891385227442, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 330401191, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330401129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165200594 + 165200595.

It is an arithmetic number, because the mean of its divisors is an integer number (165200595).

Almost surely, 2^330401189 is an apocalyptic number.

It is an amenable number.

330401189 is a deficient number, since it is larger than the sum of its proper divisors (1).

330401189 is an equidigital number, since it uses as much as digits as its factorization.

330401189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 330401189 is about 18176.9411343053. The cubic root of 330401189 is about 691.3222485625.

The spelling of 330401189 in words is "three hundred thirty million, four hundred one thousand, one hundred eighty-nine".