9643043601 has 21 divisors (see below), whose sum is σ = 14461927851. Its totient is φ = 6426928152.

The previous prime is 9643043587. The next prime is 9643043629. The reversal of 9643043601 is 1063403469.

The square root of 9643043601 is 98199.

It is a perfect power (a square), and thus also a powerful number.

9643043601 is a `hidden beast` number, since 9 + 6 + 4 + 3 + 0 + 43 + 601 = 666.

It can be written as a sum of positive squares in only one way, i.e., 258084225 + 9384959376 = 16065^2 + 96876^2 .

It is not a de Polignac number, because 9643043601 - 2¹⁵ = 9643010833 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9643043681) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 2649555 + ... + 2653191.

It is an arithmetic number, because the mean of its divisors is an integer number (688663231).

Almost surely, 2^9643043601 is an apocalyptic number.

9643043601 is the 98199-th square number.

9643043601 is the 49100-th centered octagonal number.

It is an amenable number.

9643043601 is a deficient number, since it is larger than the sum of its proper divisors (4818884250).

9643043601 is an frugal number, since it uses more digits than its factorization.

9643043601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7292 (or 3640 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The cubic root of 9643043601 is about 2128.4888368826.

Multiplying 9643043601 by its sum of digits (36), we get a square (347149569636 = 589194²).

Multiplying 9643043601 by its product of nonzero digits (46656), we get a square (449905842248256 = 21210984²).

The spelling of 9643043601 in words is "nine billion, six hundred forty-three million, forty-three thousand, six hundred one".