14809009 has 2 divisors, whose sum is σ = 14809010. Its totient is φ = 14809008.

The previous prime is 14808971. The next prime is 14809013. The reversal of 14809009 is 90090841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10419984 + 4389025 = 3228^2 + 2095^2 .

It is an emirp because it is prime and its reverse (90090841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14809009 is a prime.

It is not a weakly prime, because it can be changed into another prime (14809019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7404504 + 7404505.

It is an arithmetic number, because the mean of its divisors is an integer number (7404505).

Almost surely, 2^14809009 is an apocalyptic number.

It is an amenable number.

14809009 is a deficient number, since it is larger than the sum of its proper divisors (1).

14809009 is an equidigital number, since it uses as much as digits as its factorization.

14809009 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 31.

The square root of 14809009 is about 3848.2475232240. The cubic root of 14809009 is about 245.5700125104.

The spelling of 14809009 in words is "fourteen million, eight hundred nine thousand, nine".