12385569386 has 8 divisors (see below), whose sum is σ = 18587037924. Its totient is φ = 6189890080.

The previous prime is 12385569379. The next prime is 12385569401. The reversal of 12385569386 is 68396558321.

12385569386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12379900225 + 5669161 = 111265^2 + 2381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1441955 + ... + 1450518.

Almost surely, 2^12385569386 is an apocalyptic number.

12385569386 is a deficient number, since it is larger than the sum of its proper divisors (6201468538).

12385569386 is a wasteful number, since it uses less digits than its factorization.

12385569386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894616.

The product of its digits is 9331200, while the sum is 56.

The spelling of 12385569386 in words is "twelve billion, three hundred eighty-five million, five hundred sixty-nine thousand, three hundred eighty-six".