14431244209 has 2 divisors, whose sum is σ = 14431244210. Its totient is φ = 14431244208.

The previous prime is 14431244167. The next prime is 14431244227. The reversal of 14431244209 is 90244213441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9021200400 + 5410043809 = 94980^2 + 73553^2 .

It is a cyclic number.

It is not a de Polignac number, because 14431244209 - 2⁷ = 14431244081 is a prime.

It is not a weakly prime, because it can be changed into another prime (14431247209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7215622104 + 7215622105.

It is an arithmetic number, because the mean of its divisors is an integer number (7215622105).

Almost surely, 2^14431244209 is an apocalyptic number.

It is an amenable number.

14431244209 is a deficient number, since it is larger than the sum of its proper divisors (1).

14431244209 is an equidigital number, since it uses as much as digits as its factorization.

14431244209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 14431244209 in words is "fourteen billion, four hundred thirty-one million, two hundred forty-four thousand, two hundred nine".