56783923488833 has 2 divisors, whose sum is σ = 56783923488834. Its totient is φ = 56783923488832.

The previous prime is 56783923488793. The next prime is 56783923488839. The reversal of 56783923488833 is 33888432938765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36310542827329 + 20473380661504 = 6025823^2 + 4524752^2 .

It is a cyclic number.

It is not a de Polignac number, because 56783923488833 - 2¹⁸ = 56783923226689 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (56783923488839) 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 as a sum of consecutive naturals, namely, 28391961744416 + 28391961744417.

It is an arithmetic number, because the mean of its divisors is an integer number (28391961744417).

Almost surely, 2^{56783923488833} is an apocalyptic number.

It is an amenable number.

56783923488833 is a deficient number, since it is larger than the sum of its proper divisors (1).

56783923488833 is an equidigital number, since it uses as much as digits as its factorization.

56783923488833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5016453120, while the sum is 77.

The spelling of 56783923488833 in words is "fifty-six trillion, seven hundred eighty-three billion, nine hundred twenty-three million, four hundred eighty-eight thousand, eight hundred thirty-three".