9133712213 has 4 divisors (see below), whose sum is σ = 9670989420. Its totient is φ = 8596435008.

The previous prime is 9133712209. The next prime is 9133712233. The reversal of 9133712213 is 3122173319.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7232141764 + 1901570449 = 85042^2 + 43607^2 .

It is a cyclic number.

It is not a de Polignac number, because 9133712213 - 2² = 9133712209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9133712213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9133712233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268638578 + ... + 268638611.

It is an arithmetic number, because the mean of its divisors is an integer number (2417747355).

Almost surely, 2^9133712213 is an apocalyptic number.

It is an amenable number.

9133712213 is a deficient number, since it is larger than the sum of its proper divisors (537277207).

9133712213 is a wasteful number, since it uses less digits than its factorization.

9133712213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537277206.

The product of its digits is 6804, while the sum is 32.

The square root of 9133712213 is about 95570.4568002058. The cubic root of 9133712213 is about 2090.3344331014.

The spelling of 9133712213 in words is "nine billion, one hundred thirty-three million, seven hundred twelve thousand, two hundred thirteen".