14309909 has 2 divisors, whose sum is σ = 14309910. Its totient is φ = 14309908.

The previous prime is 14309899. The next prime is 14309917. The reversal of 14309909 is 90990341.

14309909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8282884 + 6027025 = 2878^2 + 2455^2 .

It is a cyclic number.

It is not a de Polignac number, because 14309909 - 2⁸ = 14309653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14309959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7154954 + 7154955.

It is an arithmetic number, because the mean of its divisors is an integer number (7154955).

Almost surely, 2^14309909 is an apocalyptic number.

It is an amenable number.

14309909 is a deficient number, since it is larger than the sum of its proper divisors (1).

14309909 is an equidigital number, since it uses as much as digits as its factorization.

14309909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 14309909 is about 3782.8440359074. The cubic root of 14309909 is about 242.7796554075.

The spelling of 14309909 in words is "fourteen million, three hundred nine thousand, nine hundred nine".