14431572005209 has 2 divisors, whose sum is σ = 14431572005210. Its totient is φ = 14431572005208.

The previous prime is 14431572005183. The next prime is 14431572005297. The reversal of 14431572005209 is 90250027513441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9350140840000 + 5081431165209 = 3057800^2 + 2254203^2 .

It is a cyclic number.

It is not a de Polignac number, because 14431572005209 - 2²¹ = 14431569908057 is a prime.

It is not a weakly prime, because it can be changed into another prime (14431572005909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7215786002604 + 7215786002605.

It is an arithmetic number, because the mean of its divisors is an integer number (7215786002605).

Almost surely, 2^{14431572005209} is an apocalyptic number.

It is an amenable number.

14431572005209 is a deficient number, since it is larger than the sum of its proper divisors (1).

14431572005209 is an equidigital number, since it uses as much as digits as its factorization.

14431572005209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 14431572005209 in words is "fourteen trillion, four hundred thirty-one billion, five hundred seventy-two million, five thousand, two hundred nine".