206756082563 has 2 divisors, whose sum is σ = 206756082564. Its totient is φ = 206756082562.

The previous prime is 206756082557. The next prime is 206756082593. The reversal of 206756082563 is 365280657602.

206756082563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206756082563 - 2⁶ = 206756082499 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (206756082553) 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, 103378041281 + 103378041282.

It is an arithmetic number, because the mean of its divisors is an integer number (103378041282).

Almost surely, 2^206756082563 is an apocalyptic number.

206756082563 is a deficient number, since it is larger than the sum of its proper divisors (1).

206756082563 is an equidigital number, since it uses as much as digits as its factorization.

206756082563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 206756082563 in words is "two hundred six billion, seven hundred fifty-six million, eighty-two thousand, five hundred sixty-three".