9112428689 has 32 divisors (see below), whose sum is σ = 11968782336. Its totient is φ = 6732149760.

The previous prime is 9112428683. The next prime is 9112428713. The reversal of 9112428689 is 9868242119.

It is a de Polignac number, because none of the positive numbers 2^k-9112428689 is a prime.

It is a super-2 number, since 2×9112428689² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9112428683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173279 + ... + 219659.

It is an arithmetic number, because the mean of its divisors is an integer number (374024448).

Almost surely, 2^9112428689 is an apocalyptic number.

It is an amenable number.

9112428689 is a deficient number, since it is larger than the sum of its proper divisors (2856353647).

9112428689 is a wasteful number, since it uses less digits than its factorization.

9112428689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46545.

The product of its digits is 497664, while the sum is 50.

The square root of 9112428689 is about 95459.0419447000. The cubic root of 9112428689 is about 2088.7095266121.

The spelling of 9112428689 in words is "nine billion, one hundred twelve million, four hundred twenty-eight thousand, six hundred eighty-nine".