9347819121 has 32 divisors (see below), whose sum is σ = 14686375680. Its totient is φ = 5856046848.

The previous prime is 9347819113. The next prime is 9347819147. The reversal of 9347819121 is 1219187439.

9347819121 is a `hidden beast` number, since 93 + 478 + 1 + 91 + 2 + 1 = 666.

It is not a de Polignac number, because 9347819121 - 2³ = 9347819113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9347819171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281235 + ... + 312711.

It is an arithmetic number, because the mean of its divisors is an integer number (458949240).

Almost surely, 2^9347819121 is an apocalyptic number.

It is an amenable number.

9347819121 is a deficient number, since it is larger than the sum of its proper divisors (5338556559).

9347819121 is a wasteful number, since it uses less digits than its factorization.

9347819121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32150 (or 32144 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 9347819121 is about 96684.1203145584. The cubic root of 9347819121 is about 2106.5418914637.

The spelling of 9347819121 in words is "nine billion, three hundred forty-seven million, eight hundred nineteen thousand, one hundred twenty-one".