14169989 has 2 divisors, whose sum is σ = 14169990. Its totient is φ = 14169988.

The previous prime is 14169979. The next prime is 14170003. The reversal of 14169989 is 98996141.

14169989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10336225 + 3833764 = 3215^2 + 1958^2 .

It is a cyclic number.

It is not a de Polignac number, because 14169989 - 2⁸ = 14169733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14169929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7084994 + 7084995.

It is an arithmetic number, because the mean of its divisors is an integer number (7084995).

Almost surely, 2^14169989 is an apocalyptic number.

It is an amenable number.

14169989 is a deficient number, since it is larger than the sum of its proper divisors (1).

14169989 is an equidigital number, since it uses as much as digits as its factorization.

14169989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 47.

The square root of 14169989 is about 3764.3045838508. The cubic root of 14169989 is about 241.9857754087.

The spelling of 14169989 in words is "fourteen million, one hundred sixty-nine thousand, nine hundred eighty-nine".