9696821061 has 16 divisors (see below), whose sum is σ = 12967545600. Its totient is φ = 6445349568.

The previous prime is 9696821033. The next prime is 9696821077. The reversal of 9696821061 is 1601286969.

9696821061 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-9696821061 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9696821061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9696821161) 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 in 15 ways as a sum of consecutive naturals, for example, 1874100 + ... + 1879266.

It is an arithmetic number, because the mean of its divisors is an integer number (810471600).

Almost surely, 2^9696821061 is an apocalyptic number.

It is an amenable number.

9696821061 is a deficient number, since it is larger than the sum of its proper divisors (3270724539).

9696821061 is a wasteful number, since it uses less digits than its factorization.

9696821061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6908.

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 9696821061 is about 98472.4380778703. The cubic root of 9696821061 is about 2132.4382330138.

The spelling of 9696821061 in words is "nine billion, six hundred ninety-six million, eight hundred twenty-one thousand, sixty-one".