14219789 has 2 divisors, whose sum is σ = 14219790. Its totient is φ = 14219788.

The previous prime is 14219753. The next prime is 14219791. The reversal of 14219789 is 98791241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14212900 + 6889 = 3770^2 + 83^2 .

It is a cyclic number.

It is not a de Polignac number, because 14219789 - 2⁸ = 14219533 is a prime.

Together with 14219791, 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 (14219719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7109894 + 7109895.

It is an arithmetic number, because the mean of its divisors is an integer number (7109895).

Almost surely, 2^14219789 is an apocalyptic number.

It is an amenable number.

14219789 is a deficient number, since it is larger than the sum of its proper divisors (1).

14219789 is an equidigital number, since it uses as much as digits as its factorization.

14219789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 41.

The square root of 14219789 is about 3770.9135497913. The cubic root of 14219789 is about 242.2689278660.

The spelling of 14219789 in words is "fourteen million, two hundred nineteen thousand, seven hundred eighty-nine".