9881441889 has 24 divisors (see below), whose sum is σ = 14873315520. Its totient is φ = 5826886560.

The previous prime is 9881441831. The next prime is 9881441917.

9881441889 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9881441889 - 2¹² = 9881437793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9881441189) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 354429 + ... + 381290.

It is an arithmetic number, because the mean of its divisors is an integer number (619721480).

Almost surely, 2^9881441889 is an apocalyptic number.

It is an amenable number.

9881441889 is a deficient number, since it is larger than the sum of its proper divisors (4991873631).

9881441889 is a wasteful number, since it uses less digits than its factorization.

9881441889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735781 (or 735770 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 60.

The square root of 9881441889 is about 99405.4419486177. The cubic root of 9881441889 is about 2145.8866288621.

The spelling of 9881441889 in words is "nine billion, eight hundred eighty-one million, four hundred forty-one thousand, eight hundred eighty-nine".