12642848394 has 32 divisors (see below), whose sum is σ = 28051937280. Its totient is φ = 3766230000.

The previous prime is 12642848369. The next prime is 12642848419. The reversal of 12642848394 is 49384824621.

It is an interprime number because it is at equal distance from previous prime (12642848369) and next prime (12642848419).

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, 1619482 + ... + 1627269.

It is an arithmetic number, because the mean of its divisors is an integer number (876623040).

Almost surely, 2^12642848394 is an apocalyptic number.

12642848394 is an abundant number, since it is smaller than the sum of its proper divisors (15409088886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12642848394 is a wasteful number, since it uses less digits than its factorization.

12642848394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246826.

The product of its digits is 2654208, while the sum is 51.

The spelling of 12642848394 in words is "twelve billion, six hundred forty-two million, eight hundred forty-eight thousand, three hundred ninety-four".