9273138216 has 96 divisors (see below), whose sum is σ = 23992856160. Its totient is φ = 2986004736.

The previous prime is 9273138179. The next prime is 9273138227. The reversal of 9273138216 is 6128313729.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4515846 + ... + 4517898.

It is an arithmetic number, because the mean of its divisors is an integer number (249925585).

Almost surely, 2^9273138216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9273138216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11996428080).

9273138216 is an abundant number, since it is smaller than the sum of its proper divisors (14719717944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9273138216 is a wasteful number, since it uses less digits than its factorization.

9273138216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235 (or 2178 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 9273138216 is about 96297.1350352647. The cubic root of 9273138216 is about 2100.9170760959.

The spelling of 9273138216 in words is "nine billion, two hundred seventy-three million, one hundred thirty-eight thousand, two hundred sixteen".