12844583546 has 32 divisors (see below), whose sum is σ = 21118663440. Its totient is φ = 5831934976.

The previous prime is 12844583533. The next prime is 12844583551. The reversal of 12844583546 is 64538544821.

It can be written as a sum of positive squares in 8 ways, for example, as 11006317921 + 1838265625 = 104911^2 + 42875^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12844583494 and 12844583503.

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, 1704980 + ... + 1712496.

Almost surely, 2^12844583546 is an apocalyptic number.

12844583546 is a deficient number, since it is larger than the sum of its proper divisors (8274079894).

12844583546 is a wasteful number, since it uses less digits than its factorization.

12844583546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9298.

The product of its digits is 3686400, while the sum is 50.

The spelling of 12844583546 in words is "twelve billion, eight hundred forty-four million, five hundred eighty-three thousand, five hundred forty-six".