9989261241 has 16 divisors (see below), whose sum is σ = 13541180928. Its totient is φ = 6548486400.

The previous prime is 9989261239. The next prime is 9989261263. The reversal of 9989261241 is 1421629899.

9989261241 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9989261241 - 2¹ = 9989261239 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9989261641) 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, 1005400 + ... + 1015286.

It is an arithmetic number, because the mean of its divisors is an integer number (846323808).

Almost surely, 2^9989261241 is an apocalyptic number.

It is an amenable number.

9989261241 is a deficient number, since it is larger than the sum of its proper divisors (3551919687).

9989261241 is a wasteful number, since it uses less digits than its factorization.

9989261241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15472.

The product of its digits is 559872, while the sum is 51.

The square root of 9989261241 is about 99946.2917821367. The cubic root of 9989261241 is about 2153.6632153127.

The spelling of 9989261241 in words is "nine billion, nine hundred eighty-nine million, two hundred sixty-one thousand, two hundred forty-one".