14004144809 has 2 divisors, whose sum is σ = 14004144810. Its totient is φ = 14004144808.

The previous prime is 14004144797. The next prime is 14004144853. The reversal of 14004144809 is 90844140041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13197414400 + 806730409 = 114880^2 + 28403^2 .

It is an emirp because it is prime and its reverse (90844140041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14004144809 - 2²⁸ = 13735709353 is a prime.

It is a super-2 number, since 2×14004144809² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14004144899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7002072404 + 7002072405.

It is an arithmetic number, because the mean of its divisors is an integer number (7002072405).

Almost surely, 2^14004144809 is an apocalyptic number.

It is an amenable number.

14004144809 is a deficient number, since it is larger than the sum of its proper divisors (1).

14004144809 is an equidigital number, since it uses as much as digits as its factorization.

14004144809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 14004144809 in words is "fourteen billion, four million, one hundred forty-four thousand, eight hundred nine".