9636968646 has 12 divisors (see below), whose sum is σ = 20880098772. Its totient is φ = 3212322876.

The previous prime is 9636968639. The next prime is 9636968657. The reversal of 9636968646 is 6468696369.

9636968646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×9636968646⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 267693556 + ... + 267693591.

It is an arithmetic number, because the mean of its divisors is an integer number (1740008231).

Almost surely, 2^9636968646 is an apocalyptic number.

9636968646 is an abundant number, since it is smaller than the sum of its proper divisors (11243130126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9636968646 is a wasteful number, since it uses less digits than its factorization.

9636968646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535387155 (or 535387152 counting only the distinct ones).

The product of its digits is 60466176, while the sum is 63.

The square root of 9636968646 is about 98168.0632690693. The cubic root of 9636968646 is about 2128.0417722864.

The spelling of 9636968646 in words is "nine billion, six hundred thirty-six million, nine hundred sixty-eight thousand, six hundred forty-six".