9689885773 has 2 divisors, whose sum is σ = 9689885774. Its totient is φ = 9689885772.

The previous prime is 9689885731. The next prime is 9689885789. The reversal of 9689885773 is 3775889869.

9689885773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7018753284 + 2671132489 = 83778^2 + 51683^2 .

It is a cyclic number.

It is not a de Polignac number, because 9689885773 - 2²⁹ = 9153014861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9689889773) 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, 4844942886 + 4844942887.

It is an arithmetic number, because the mean of its divisors is an integer number (4844942887).

Almost surely, 2^9689885773 is an apocalyptic number.

It is an amenable number.

9689885773 is a deficient number, since it is larger than the sum of its proper divisors (1).

9689885773 is an equidigital number, since it uses as much as digits as its factorization.

9689885773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 182891520, while the sum is 70.

The square root of 9689885773 is about 98437.2174180071. The cubic root of 9689885773 is about 2131.9297295784.

The spelling of 9689885773 in words is "nine billion, six hundred eighty-nine million, eight hundred eighty-five thousand, seven hundred seventy-three".