9847489071 has 32 divisors (see below), whose sum is σ = 15896521728. Its totient is φ = 5293416960.

The previous prime is 9847489051. The next prime is 9847489097. The reversal of 9847489071 is 1709847489.

9847489071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9847489071 - 2¹⁰ = 9847488047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9847489051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 829846 + ... + 841628.

It is an arithmetic number, because the mean of its divisors is an integer number (496766304).

Almost surely, 2^9847489071 is an apocalyptic number.

9847489071 is a deficient number, since it is larger than the sum of its proper divisors (6049032657).

9847489071 is a wasteful number, since it uses less digits than its factorization.

9847489071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14151.

The product of its (nonzero) digits is 4064256, while the sum is 57.

The square root of 9847489071 is about 99234.5155225741. The cubic root of 9847489071 is about 2143.4260397155.

The spelling of 9847489071 in words is "nine billion, eight hundred forty-seven million, four hundred eighty-nine thousand, seventy-one".