9389633121 has 24 divisors (see below), whose sum is σ = 15273073920. Its totient is φ = 5507114400.

The previous prime is 9389633119. The next prime is 9389633173. The reversal of 9389633121 is 1213369839.

9389633121 is a `hidden beast` number, since 9 + 3 + 8 + 9 + 633 + 1 + 2 + 1 = 666.

It is not a de Polignac number, because 9389633121 - 2¹ = 9389633119 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9389633191) 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, 1526686 + ... + 1532823.

It is an arithmetic number, because the mean of its divisors is an integer number (636378080).

Almost surely, 2^9389633121 is an apocalyptic number.

It is an amenable number.

9389633121 is a deficient number, since it is larger than the sum of its proper divisors (5883440799).

9389633121 is a wasteful number, since it uses less digits than its factorization.

9389633121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059557 (or 3059554 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 9389633121 is about 96900.1193033321. The cubic root of 9389633121 is about 2109.6781642658.

The spelling of 9389633121 in words is "nine billion, three hundred eighty-nine million, six hundred thirty-three thousand, one hundred twenty-one".