12863733581 has 8 divisors (see below), whose sum is σ = 12939061824. Its totient is φ = 12788577760.

The previous prime is 12863733529. The next prime is 12863733583. The reversal of 12863733581 is 18533736821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12863733581 - 2¹⁴ = 12863717197 is a prime.

It is a super-2 number, since 2×12863733581² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12863733583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108086 + ... + 193416.

It is an arithmetic number, because the mean of its divisors is an integer number (1617382728).

Almost surely, 2^12863733581 is an apocalyptic number.

It is an amenable number.

12863733581 is a deficient number, since it is larger than the sum of its proper divisors (75328243).

12863733581 is an equidigital number, since it uses as much as digits as its factorization.

12863733581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86211.

The product of its digits is 725760, while the sum is 47.

The spelling of 12863733581 in words is "twelve billion, eight hundred sixty-three million, seven hundred thirty-three thousand, five hundred eighty-one".