14011909 has 2 divisors, whose sum is σ = 14011910. Its totient is φ = 14011908.

The previous prime is 14011903. The next prime is 14011957. The reversal of 14011909 is 90911041.

14011909 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., 13118884 + 893025 = 3622^2 + 945^2 .

It is a cyclic number.

It is not a de Polignac number, because 14011909 - 2⁹ = 14011397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14011903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7005954 + 7005955.

It is an arithmetic number, because the mean of its divisors is an integer number (7005955).

Almost surely, 2^14011909 is an apocalyptic number.

It is an amenable number.

14011909 is a deficient number, since it is larger than the sum of its proper divisors (1).

14011909 is an equidigital number, since it uses as much as digits as its factorization.

14011909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 14011909 is about 3743.2484555530. The cubic root of 14011909 is about 241.0825460594.

The spelling of 14011909 in words is "fourteen million, eleven thousand, nine hundred nine".