14644109 has 2 divisors, whose sum is σ = 14644110. Its totient is φ = 14644108.

The previous prime is 14644099. The next prime is 14644111. The reversal of 14644109 is 90144641.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13118884 + 1525225 = 3622^2 + 1235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14644109 is a prime.

It is a Sophie Germain prime.

Together with 14644111, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14644129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7322054 + 7322055.

It is an arithmetic number, because the mean of its divisors is an integer number (7322055).

Almost surely, 2^14644109 is an apocalyptic number.

It is an amenable number.

14644109 is a deficient number, since it is larger than the sum of its proper divisors (1).

14644109 is an equidigital number, since it uses as much as digits as its factorization.

14644109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 14644109 is about 3826.7622084472. The cubic root of 14644109 is about 244.6551249257.

The spelling of 14644109 in words is "fourteen million, six hundred forty-four thousand, one hundred nine".