12843683658 has 48 divisors (see below), whose sum is σ = 30141919080. Its totient is φ = 3929046912.

The previous prime is 12843683641. The next prime is 12843683659. The reversal of 12843683658 is 85638634821.

12843683658 is a `hidden beast` number, since 128 + 436 + 8 + 36 + 58 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11983024089 + 860659569 = 109467^2 + 29337^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12843683659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118153 + ... + 199116.

Almost surely, 2^12843683658 is an apocalyptic number.

12843683658 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12843683658 is an abundant number, since it is smaller than the sum of its proper divisors (17298235422).

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

12843683658 is a wasteful number, since it uses less digits than its factorization.

12843683658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317463 (or 317460 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 54.

The spelling of 12843683658 in words is "twelve billion, eight hundred forty-three million, six hundred eighty-three thousand, six hundred fifty-eight".