9113122873 has 2 divisors, whose sum is σ = 9113122874. Its totient is φ = 9113122872.

The previous prime is 9113122787. The next prime is 9113122883. The reversal of 9113122873 is 3782213119.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6035425344 + 3077697529 = 77688^2 + 55477^2 .

It is a cyclic number.

It is not a de Polignac number, because 9113122873 - 2²⁵ = 9079568441 is a prime.

It is not a weakly prime, because it can be changed into another prime (9113122883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4556561436 + 4556561437.

It is an arithmetic number, because the mean of its divisors is an integer number (4556561437).

Almost surely, 2^9113122873 is an apocalyptic number.

It is an amenable number.

9113122873 is a deficient number, since it is larger than the sum of its proper divisors (1).

9113122873 is an equidigital number, since it uses as much as digits as its factorization.

9113122873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 37.

The square root of 9113122873 is about 95462.6779060801. The cubic root of 9113122873 is about 2088.7625645001.

The spelling of 9113122873 in words is "nine billion, one hundred thirteen million, one hundred twenty-two thousand, eight hundred seventy-three".