9724516889 has 2 divisors, whose sum is σ = 9724516890. Its totient is φ = 9724516888.

The previous prime is 9724516871. The next prime is 9724516927. The reversal of 9724516889 is 9886154279.

9724516889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5887953289 + 3836563600 = 76733^2 + 61940^2 .

It is a cyclic number.

It is not a de Polignac number, because 9724516889 - 2¹² = 9724512793 is a prime.

It is not a weakly prime, because it can be changed into another prime (9724516819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4862258444 + 4862258445.

It is an arithmetic number, because the mean of its divisors is an integer number (4862258445).

Almost surely, 2^9724516889 is an apocalyptic number.

It is an amenable number.

9724516889 is a deficient number, since it is larger than the sum of its proper divisors (1).

9724516889 is an equidigital number, since it uses as much as digits as its factorization.

9724516889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 59.

The square root of 9724516889 is about 98612.9651161550. The cubic root of 9724516889 is about 2134.4665095303.

The spelling of 9724516889 in words is "nine billion, seven hundred twenty-four million, five hundred sixteen thousand, eight hundred eighty-nine".