9812244193 has 4 divisors (see below), whose sum is σ = 10077440020. Its totient is φ = 9547048368.

The previous prime is 9812244187. The next prime is 9812244223. The reversal of 9812244193 is 3914422189.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3914422189 = 57119 ⋅68531.

It can be written as a sum of positive squares in 2 ways, for example, as 6837305344 + 2974938849 = 82688^2 + 54543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9812244193 is a prime.

It is a super-2 number, since 2×9812244193² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9812244173) 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, 132597858 + ... + 132597931.

It is an arithmetic number, because the mean of its divisors is an integer number (2519360005).

Almost surely, 2^9812244193 is an apocalyptic number.

It is an amenable number.

9812244193 is a deficient number, since it is larger than the sum of its proper divisors (265195827).

9812244193 is a wasteful number, since it uses less digits than its factorization.

9812244193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265195826.

The product of its digits is 124416, while the sum is 43.

The square root of 9812244193 is about 99056.7725751248. The cubic root of 9812244193 is about 2140.8658237687.

The spelling of 9812244193 in words is "nine billion, eight hundred twelve million, two hundred forty-four thousand, one hundred ninety-three".