12309493385 has 16 divisors (see below), whose sum is σ = 16883392896. Its totient is φ = 8439894528.

The previous prime is 12309493373. The next prime is 12309493397. The reversal of 12309493385 is 58339490321.

It is an interprime number because it is at equal distance from previous prime (12309493373) and next prime (12309493397).

It is a cyclic number.

It is not a de Polignac number, because 12309493385 - 2⁸ = 12309493129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619769 + ... + 639321.

It is an arithmetic number, because the mean of its divisors is an integer number (1055212056).

Almost surely, 2^12309493385 is an apocalyptic number.

It is an amenable number.

12309493385 is a deficient number, since it is larger than the sum of its proper divisors (4573899511).

12309493385 is a wasteful number, since it uses less digits than its factorization.

12309493385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37552.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 12309493385 in words is "twelve billion, three hundred nine million, four hundred ninety-three thousand, three hundred eighty-five".