56683743859 has 4 divisors (see below), whose sum is σ = 57366680616. Its totient is φ = 56000807104.

The previous prime is 56683743833. The next prime is 56683743863. The reversal of 56683743859 is 95834738665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56683743859 - 2⁵ = 56683743827 is a prime.

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 56683743859.

It is not an unprimeable number, because it can be changed into a prime (56683743889) 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 3 ways as a sum of consecutive naturals, for example, 341468254 + ... + 341468419.

It is an arithmetic number, because the mean of its divisors is an integer number (14341670154).

Almost surely, 2^56683743859 is an apocalyptic number.

56683743859 is a deficient number, since it is larger than the sum of its proper divisors (682936757).

56683743859 is an equidigital number, since it uses as much as digits as its factorization.

56683743859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682936756.

The product of its digits is 130636800, while the sum is 64.

The spelling of 56683743859 in words is "fifty-six billion, six hundred eighty-three million, seven hundred forty-three thousand, eight hundred fifty-nine".