9643000564 has 12 divisors (see below), whose sum is σ = 16888331488. Its totient is φ = 4817763000.

The previous prime is 9643000547. The next prime is 9643000589. The reversal of 9643000564 is 4650003469.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928512 + ... + 938839.

Almost surely, 2^9643000564 is an apocalyptic number.

It is an amenable number.

9643000564 is a deficient number, since it is larger than the sum of its proper divisors (7245330924).

9643000564 is a wasteful number, since it uses less digits than its factorization.

9643000564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868646 (or 1868644 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 9643000564 is about 98198.7808681961. The cubic root of 9643000564 is about 2128.4856703889.

The spelling of 9643000564 in words is "nine billion, six hundred forty-three million, five hundred sixty-four", and thus it is an aban number.