14444509817 has 2 divisors, whose sum is σ = 14444509818. Its totient is φ = 14444509816.

The previous prime is 14444509811. The next prime is 14444509847. The reversal of 14444509817 is 71890544441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10711422016 + 3733087801 = 103496^2 + 61099^2 .

It is a cyclic number.

It is not a de Polignac number, because 14444509817 - 2⁴ = 14444509801 is a prime.

It is not a weakly prime, because it can be changed into another prime (14444509811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7222254908 + 7222254909.

It is an arithmetic number, because the mean of its divisors is an integer number (7222254909).

Almost surely, 2^14444509817 is an apocalyptic number.

It is an amenable number.

14444509817 is a deficient number, since it is larger than the sum of its proper divisors (1).

14444509817 is an equidigital number, since it uses as much as digits as its factorization.

14444509817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 14444509817 in words is "fourteen billion, four hundred forty-four million, five hundred nine thousand, eight hundred seventeen".