14642689 has 2 divisors, whose sum is σ = 14642690. Its totient is φ = 14642688.

The previous prime is 14642669. The next prime is 14642701. The reversal of 14642689 is 98624641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7924225 + 6718464 = 2815^2 + 2592^2 .

It is a cyclic number.

It is not a de Polignac number, because 14642689 - 2⁵ = 14642657 is a prime.

It is not a weakly prime, because it can be changed into another prime (14642659) 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, 7321344 + 7321345.

It is an arithmetic number, because the mean of its divisors is an integer number (7321345).

Almost surely, 2^14642689 is an apocalyptic number.

It is an amenable number.

14642689 is a deficient number, since it is larger than the sum of its proper divisors (1).

14642689 is an equidigital number, since it uses as much as digits as its factorization.

14642689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 40.

The square root of 14642689 is about 3826.5766685119. The cubic root of 14642689 is about 244.6472168195.

The spelling of 14642689 in words is "fourteen million, six hundred forty-two thousand, six hundred eighty-nine".