9811968873 has 16 divisors (see below), whose sum is σ = 14953128960. Its totient is φ = 5606255376.

The previous prime is 9811968841. The next prime is 9811968877. The reversal of 9811968873 is 3788691189.

It is not a de Polignac number, because 9811968873 - 2⁵ = 9811968841 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9811968877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258586 + ... + 294092.

It is an arithmetic number, because the mean of its divisors is an integer number (934570560).

Almost surely, 2^9811968873 is an apocalyptic number.

It is an amenable number.

9811968873 is a deficient number, since it is larger than the sum of its proper divisors (5141160087).

9811968873 is a wasteful number, since it uses less digits than its factorization.

9811968873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48676.

The product of its digits is 5225472, while the sum is 60.

The square root of 9811968873 is about 99055.3828572683. The cubic root of 9811968873 is about 2140.8458001913.

The spelling of 9811968873 in words is "nine billion, eight hundred eleven million, nine hundred sixty-eight thousand, eight hundred seventy-three".