12743606833 has 4 divisors (see below), whose sum is σ = 12753571840. Its totient is φ = 12733641828.

The previous prime is 12743606819. The next prime is 12743606857. The reversal of 12743606833 is 33860634721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33860634721 = 11047 ⋅3065143.

It is a cyclic number.

It is not a de Polignac number, because 12743606833 - 2¹⁷ = 12743475761 is a prime.

It is a super-2 number, since 2×12743606833² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12743606833.

It is not an unprimeable number, because it can be changed into a prime (12743606233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4980585 + ... + 4983142.

It is an arithmetic number, because the mean of its divisors is an integer number (3188392960).

Almost surely, 2^12743606833 is an apocalyptic number.

It is an amenable number.

12743606833 is a deficient number, since it is larger than the sum of its proper divisors (9965007).

12743606833 is an equidigital number, since it uses as much as digits as its factorization.

12743606833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9965006.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 12743606833 in words is "twelve billion, seven hundred forty-three million, six hundred six thousand, eight hundred thirty-three".