14120711809 has 2 divisors, whose sum is σ = 14120711810. Its totient is φ = 14120711808.

The previous prime is 14120711807. The next prime is 14120711861. The reversal of 14120711809 is 90811702141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11712650625 + 2408061184 = 108225^2 + 49072^2 .

It is a cyclic number.

It is not a de Polignac number, because 14120711809 - 2¹ = 14120711807 is a prime.

Together with 14120711807, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14120711807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7060355904 + 7060355905.

It is an arithmetic number, because the mean of its divisors is an integer number (7060355905).

Almost surely, 2^14120711809 is an apocalyptic number.

It is an amenable number.

14120711809 is a deficient number, since it is larger than the sum of its proper divisors (1).

14120711809 is an equidigital number, since it uses as much as digits as its factorization.

14120711809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 14120711809 in words is "fourteen billion, one hundred twenty million, seven hundred eleven thousand, eight hundred nine".