14864909 has 2 divisors, whose sum is σ = 14864910. Its totient is φ = 14864908.

The previous prime is 14864891. The next prime is 14864921. The reversal of 14864909 is 90946841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14478025 + 386884 = 3805^2 + 622^2 .

It is a cyclic number.

It is not a de Polignac number, because 14864909 - 2⁸ = 14864653 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 (14864939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7432454 + 7432455.

It is an arithmetic number, because the mean of its divisors is an integer number (7432455).

Almost surely, 2^14864909 is an apocalyptic number.

It is an amenable number.

14864909 is a deficient number, since it is larger than the sum of its proper divisors (1).

14864909 is an equidigital number, since it uses as much as digits as its factorization.

14864909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 14864909 is about 3855.5037284381. The cubic root of 14864909 is about 245.8786113160.

The spelling of 14864909 in words is "fourteen million, eight hundred sixty-four thousand, nine hundred nine".