14122668809 has 2 divisors, whose sum is σ = 14122668810. Its totient is φ = 14122668808.

The previous prime is 14122668779. The next prime is 14122668869. The reversal of 14122668809 is 90886622141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7095535225 + 7027133584 = 84235^2 + 83828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14122668809 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (14122668869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7061334404 + 7061334405.

It is an arithmetic number, because the mean of its divisors is an integer number (7061334405).

Almost surely, 2^14122668809 is an apocalyptic number.

It is an amenable number.

14122668809 is a deficient number, since it is larger than the sum of its proper divisors (1).

14122668809 is an equidigital number, since it uses as much as digits as its factorization.

14122668809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 14122668809 in words is "fourteen billion, one hundred twenty-two million, six hundred sixty-eight thousand, eight hundred nine".