14279789 has 2 divisors, whose sum is σ = 14279790. Its totient is φ = 14279788.

The previous prime is 14279761. The next prime is 14279791. The reversal of 14279789 is 98797241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13032100 + 1247689 = 3610^2 + 1117^2 .

It is a cyclic number.

It is not a de Polignac number, because 14279789 - 2¹² = 14275693 is a prime.

It is a Sophie Germain prime.

Together with 14279791, 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 (14279719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7139894 + 7139895.

It is an arithmetic number, because the mean of its divisors is an integer number (7139895).

Almost surely, 2^14279789 is an apocalyptic number.

It is an amenable number.

14279789 is a deficient number, since it is larger than the sum of its proper divisors (1).

14279789 is an equidigital number, since it uses as much as digits as its factorization.

14279789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 47.

The square root of 14279789 is about 3778.8608071746. The cubic root of 14279789 is about 242.6091987032.

The spelling of 14279789 in words is "fourteen million, two hundred seventy-nine thousand, seven hundred eighty-nine".