12386793809 has 24 divisors (see below), whose sum is σ = 13863700032. Its totient is φ = 11001170880.

The previous prime is 12386793803. The next prime is 12386793821. The reversal of 12386793809 is 90839768321.

It is a de Polignac number, because none of the positive numbers 2^k-12386793809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12386793803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3398342 + ... + 3401984.

It is an arithmetic number, because the mean of its divisors is an integer number (577654168).

Almost surely, 2^12386793809 is an apocalyptic number.

It is an amenable number.

12386793809 is a deficient number, since it is larger than the sum of its proper divisors (1476906223).

12386793809 is a wasteful number, since it uses less digits than its factorization.

12386793809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025 (or 3996 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 12386793809 in words is "twelve billion, three hundred eighty-six million, seven hundred ninety-three thousand, eight hundred nine".