14389009 has 2 divisors, whose sum is σ = 14389010. Its totient is φ = 14389008.

The previous prime is 14388989. The next prime is 14389013. The reversal of 14389009 is 90098341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14250625 + 138384 = 3775^2 + 372^2 .

It is a cyclic number.

It is not a de Polignac number, because 14389009 - 2¹¹ = 14386961 is a prime.

It is not a weakly prime, because it can be changed into another prime (14389019) 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, 7194504 + 7194505.

It is an arithmetic number, because the mean of its divisors is an integer number (7194505).

Almost surely, 2^14389009 is an apocalyptic number.

It is an amenable number.

14389009 is a deficient number, since it is larger than the sum of its proper divisors (1).

14389009 is an equidigital number, since it uses as much as digits as its factorization.

14389009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 14389009 is about 3793.2847243517. The cubic root of 14389009 is about 243.2261663995.

The spelling of 14389009 in words is "fourteen million, three hundred eighty-nine thousand, nine".