14018909 has 2 divisors, whose sum is σ = 14018910. Its totient is φ = 14018908.

The previous prime is 14018899. The next prime is 14018923. The reversal of 14018909 is 90981041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8282884 + 5736025 = 2878^2 + 2395^2 .

It is a cyclic number.

It is not a de Polignac number, because 14018909 - 2¹² = 14014813 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14018929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7009454 + 7009455.

It is an arithmetic number, because the mean of its divisors is an integer number (7009455).

Almost surely, 2^14018909 is an apocalyptic number.

It is an amenable number.

14018909 is a deficient number, since it is larger than the sum of its proper divisors (1).

14018909 is an equidigital number, since it uses as much as digits as its factorization.

14018909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 14018909 is about 3744.1833555530. The cubic root of 14018909 is about 241.1226856501.

The spelling of 14018909 in words is "fourteen million, eighteen thousand, nine hundred nine".