12452873643 has 48 divisors (see below), whose sum is σ = 21784329216. Its totient is φ = 6691818240.

The previous prime is 12452873639. The next prime is 12452873663. The reversal of 12452873643 is 34637825421.

12452873643 is a `hidden beast` number, since 1 + 2 + 4 + 5 + 287 + 364 + 3 = 666.

It is not a de Polignac number, because 12452873643 - 2² = 12452873639 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12452873603) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1519948 + ... + 1528118.

It is an arithmetic number, because the mean of its divisors is an integer number (453840192).

Almost surely, 2^12452873643 is an apocalyptic number.

12452873643 is a deficient number, since it is larger than the sum of its proper divisors (9331455573).

12452873643 is a wasteful number, since it uses less digits than its factorization.

12452873643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9624 (or 9621 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 12452873643 in words is "twelve billion, four hundred fifty-two million, eight hundred seventy-three thousand, six hundred forty-three".