9644896061 has 16 divisors (see below), whose sum is σ = 10195476480. Its totient is φ = 9105473520.

The previous prime is 9644896057. The next prime is 9644896069. The reversal of 9644896061 is 1606984469.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9644896061 - 2² = 9644896057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9644895994 and 9644896012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9644896069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2745296 + ... + 2748806.

It is an arithmetic number, because the mean of its divisors is an integer number (637217280).

Almost surely, 2^9644896061 is an apocalyptic number.

It is an amenable number.

9644896061 is a deficient number, since it is larger than the sum of its proper divisors (550580419).

9644896061 is a wasteful number, since it uses less digits than its factorization.

9644896061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The square root of 9644896061 is about 98208.4317204994. The cubic root of 9644896061 is about 2128.6251246957.

The spelling of 9644896061 in words is "nine billion, six hundred forty-four million, eight hundred ninety-six thousand, sixty-one".