56689741859 has 2 divisors, whose sum is σ = 56689741860. Its totient is φ = 56689741858.

The previous prime is 56689741853. The next prime is 56689741879. The reversal of 56689741859 is 95814798665.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56689741859 - 2³² = 52394774563 is a prime.

It is not a weakly prime, because it can be changed into another prime (56689741853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28344870929 + 28344870930.

It is an arithmetic number, because the mean of its divisors is an integer number (28344870930).

Almost surely, 2^56689741859 is an apocalyptic number.

56689741859 is a deficient number, since it is larger than the sum of its proper divisors (1).

56689741859 is an equidigital number, since it uses as much as digits as its factorization.

56689741859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 130636800, while the sum is 68.

The spelling of 56689741859 in words is "fifty-six billion, six hundred eighty-nine million, seven hundred forty-one thousand, eight hundred fifty-nine".