12893525442 has 24 divisors (see below), whose sum is σ = 31926825216. Its totient is φ = 3683864376.

The previous prime is 12893525417. The next prime is 12893525443. The reversal of 12893525442 is 24452539821.

12893525442 is a `hidden beast` number, since 1 + 2 + 89 + 3 + 525 + 4 + 42 = 666.

It is not an unprimeable number, because it can be changed into a prime (12893525443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51164658 + ... + 51164909.

It is an arithmetic number, because the mean of its divisors is an integer number (1330284384).

Almost surely, 2^12893525442 is an apocalyptic number.

12893525442 is an abundant number, since it is smaller than the sum of its proper divisors (19033299774).

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

12893525442 is a wasteful number, since it uses less digits than its factorization.

12893525442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102329582 (or 102329579 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The spelling of 12893525442 in words is "twelve billion, eight hundred ninety-three million, five hundred twenty-five thousand, four hundred forty-two".