9852944643 has 48 divisors (see below), whose sum is σ = 15496790400. Its totient is φ = 6008002560.

The previous prime is 9852944587. The next prime is 9852944669. The reversal of 9852944643 is 3464492589.

9852944643 is a `hidden beast` number, since 98 + 5 + 2 + 94 + 464 + 3 = 666.

It is a Cunningham number, because it is equal to 99262²-1.

It is not a de Polignac number, because 9852944643 - 2⁶ = 9852944579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9852944643.

It is not an unprimeable number, because it can be changed into a prime (9852944443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1684518 + ... + 1690356.

It is an arithmetic number, because the mean of its divisors is an integer number (322849800).

Almost surely, 2^9852944643 is an apocalyptic number.

9852944643 is a deficient number, since it is larger than the sum of its proper divisors (5643845757).

9852944643 is a wasteful number, since it uses less digits than its factorization.

9852944643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172 (or 6169 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The square root of 9852944643 is about 99261.9999949628. Note that the first 5 decimals coincide. The cubic root of 9852944643 is about 2143.8217905585.

The spelling of 9852944643 in words is "nine billion, eight hundred fifty-two million, nine hundred forty-four thousand, six hundred forty-three".