14375997809 has 4 divisors (see below), whose sum is σ = 15001041216. Its totient is φ = 13750954404.

The previous prime is 14375997787. The next prime is 14375997817. The reversal of 14375997809 is 90879957341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14375997809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14375997829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312521669 + ... + 312521714.

It is an arithmetic number, because the mean of its divisors is an integer number (3750260304).

Almost surely, 2^14375997809 is an apocalyptic number.

It is an amenable number.

14375997809 is a deficient number, since it is larger than the sum of its proper divisors (625043407).

14375997809 is an equidigital number, since it uses as much as digits as its factorization.

14375997809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625043406.

The product of its (nonzero) digits is 17146080, while the sum is 62.

The spelling of 14375997809 in words is "fourteen billion, three hundred seventy-five million, nine hundred ninety-seven thousand, eight hundred nine".