9684994853 has 2 divisors, whose sum is σ = 9684994854. Its totient is φ = 9684994852.

The previous prime is 9684994801. The next prime is 9684994901. The reversal of 9684994853 is 3584994869.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9424914724 + 260080129 = 97082^2 + 16127^2 .

It is an emirp because it is prime and its reverse (3584994869) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9684994853 - 2⁸ = 9684994597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9684994853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9684994453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4842497426 + 4842497427.

It is an arithmetic number, because the mean of its divisors is an integer number (4842497427).

Almost surely, 2^9684994853 is an apocalyptic number.

It is an amenable number.

9684994853 is a deficient number, since it is larger than the sum of its proper divisors (1).

9684994853 is an equidigital number, since it uses as much as digits as its factorization.

9684994853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67184640, while the sum is 65.

The square root of 9684994853 is about 98412.3714428222. The cubic root of 9684994853 is about 2131.5709756904.

The spelling of 9684994853 in words is "nine billion, six hundred eighty-four million, nine hundred ninety-four thousand, eight hundred fifty-three".