56673165859 has 2 divisors, whose sum is σ = 56673165860. Its totient is φ = 56673165858.

The previous prime is 56673165839. The next prime is 56673165881. The reversal of 56673165859 is 95856137665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56673165859 - 2¹⁵ = 56673133091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56673165797 and 56673165806.

It is not a weakly prime, because it can be changed into another prime (56673165839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28336582929 + 28336582930.

It is an arithmetic number, because the mean of its divisors is an integer number (28336582930).

Almost surely, 2^56673165859 is an apocalyptic number.

56673165859 is a deficient number, since it is larger than the sum of its proper divisors (1).

56673165859 is an equidigital number, since it uses as much as digits as its factorization.

56673165859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824000, while the sum is 61.

The spelling of 56673165859 in words is "fifty-six billion, six hundred seventy-three million, one hundred sixty-five thousand, eight hundred fifty-nine".