214465439 has 2 divisors, whose sum is σ = 214465440. Its totient is φ = 214465438.

The previous prime is 214465423. The next prime is 214465441. The reversal of 214465439 is 934564412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214465439 - 2⁴ = 214465423 is a prime.

Together with 214465441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214465499) 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, 107232719 + 107232720.

It is an arithmetic number, because the mean of its divisors is an integer number (107232720).

Almost surely, 2^214465439 is an apocalyptic number.

214465439 is a deficient number, since it is larger than the sum of its proper divisors (1).

214465439 is an equidigital number, since it uses as much as digits as its factorization.

214465439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 38.

The square root of 214465439 is about 14644.6385752602. The cubic root of 214465439 is about 598.5757319613.

The spelling of 214465439 in words is "two hundred fourteen million, four hundred sixty-five thousand, four hundred thirty-nine".