12643710874 has 8 divisors (see below), whose sum is σ = 18971857440. Its totient is φ = 6319758396.

The previous prime is 12643710869. The next prime is 12643710881. The reversal of 12643710874 is 47801734621.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12643710874.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040974 + ... + 1053049.

It is an arithmetic number, because the mean of its divisors is an integer number (2371482180).

Almost surely, 2^12643710874 is an apocalyptic number.

12643710874 is a deficient number, since it is larger than the sum of its proper divisors (6328146566).

12643710874 is a wasteful number, since it uses less digits than its factorization.

12643710874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097044.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 12643710874 in words is "twelve billion, six hundred forty-three million, seven hundred ten thousand, eight hundred seventy-four".