12943624842 has 48 divisors (see below), whose sum is σ = 28233740808. Its totient is φ = 4285532160.

The previous prime is 12943624777. The next prime is 12943624871. The reversal of 12943624842 is 24842634921.

12943624842 is a `hidden beast` number, since 12 + 9 + 4 + 3 + 624 + 8 + 4 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9455423121 + 3488201721 = 97239^2 + 59061^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1646842 + ... + 1654682.

Almost surely, 2^12943624842 is an apocalyptic number.

12943624842 is an abundant number, since it is smaller than the sum of its proper divisors (15290115966).

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

12943624842 is a wasteful number, since it uses less digits than its factorization.

12943624842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8455 (or 8452 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The spelling of 12943624842 in words is "twelve billion, nine hundred forty-three million, six hundred twenty-four thousand, eight hundred forty-two".