14009023909 has 4 divisors (see below), whose sum is σ = 14034635104. Its totient is φ = 13983412716.

The previous prime is 14009023841. The next prime is 14009023921. The reversal of 14009023909 is 90932090041.

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 not a de Polignac number, because 14009023909 - 2⁷ = 14009023781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14009023949) 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, 12804777 + ... + 12805870.

It is an arithmetic number, because the mean of its divisors is an integer number (3508658776).

Almost surely, 2^14009023909 is an apocalyptic number.

It is an amenable number.

14009023909 is a deficient number, since it is larger than the sum of its proper divisors (25611195).

14009023909 is an equidigital number, since it uses as much as digits as its factorization.

14009023909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25611194.

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 14009023909 in words is "fourteen billion, nine million, twenty-three thousand, nine hundred nine".