14477809 has 2 divisors, whose sum is σ = 14477810. Its totient is φ = 14477808.

The previous prime is 14477807. The next prime is 14477819. The reversal of 14477809 is 90877441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13667809 + 810000 = 3697^2 + 900^2 .

It is an emirp because it is prime and its reverse (90877441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14477809 - 2¹ = 14477807 is a prime.

Together with 14477807, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14477803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7238904 + 7238905.

It is an arithmetic number, because the mean of its divisors is an integer number (7238905).

Almost surely, 2^14477809 is an apocalyptic number.

It is an amenable number.

14477809 is a deficient number, since it is larger than the sum of its proper divisors (1).

14477809 is an equidigital number, since it uses as much as digits as its factorization.

14477809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 14477809 is about 3804.9716161885. The cubic root of 14477809 is about 243.7254874320.

The spelling of 14477809 in words is "fourteen million, four hundred seventy-seven thousand, eight hundred nine".