9645347632 has 20 divisors (see below), whose sum is σ = 18924418720. Its totient is φ = 4761626688.

The previous prime is 9645347629. The next prime is 9645347639. The reversal of 9645347632 is 2367435469.

It is not an unprimeable number, because it can be changed into a prime (9645347639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3814143 + ... + 3816670.

It is an arithmetic number, because the mean of its divisors is an integer number (946220936).

Almost surely, 2^9645347632 is an apocalyptic number.

It is an amenable number.

9645347632 is a deficient number, since it is larger than the sum of its proper divisors (9279071088).

9645347632 is a wasteful number, since it uses less digits than its factorization.

9645347632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7630900 (or 7630894 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 49.

The square root of 9645347632 is about 98210.7307375319. The cubic root of 9645347632 is about 2128.6583446969.

The spelling of 9645347632 in words is "nine billion, six hundred forty-five million, three hundred forty-seven thousand, six hundred thirty-two".