9731847213 has 24 divisors (see below), whose sum is σ = 15661316736. Its totient is φ = 5772595200.

The previous prime is 9731847199. The next prime is 9731847259. The reversal of 9731847213 is 3127481379.

It is not a de Polignac number, because 9731847213 - 2⁹ = 9731846701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9731847283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1041108 + ... + 1050413.

It is an arithmetic number, because the mean of its divisors is an integer number (652554864).

Almost surely, 2^9731847213 is an apocalyptic number.

It is an amenable number.

9731847213 is a deficient number, since it is larger than the sum of its proper divisors (5929469523).

9731847213 is a wasteful number, since it uses less digits than its factorization.

9731847213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091585 (or 2091582 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 9731847213 is about 98650.1252558759. The cubic root of 9731847213 is about 2135.0026938815.

The spelling of 9731847213 in words is "nine billion, seven hundred thirty-one million, eight hundred forty-seven thousand, two hundred thirteen".