9381896243 has 4 divisors (see below), whose sum is σ = 9382362768. Its totient is φ = 9381429720.

The previous prime is 9381896201. The next prime is 9381896263. The reversal of 9381896243 is 3426981839.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3426981839 = 17 ⋅201587167.

It is a cyclic number.

It is not a de Polignac number, because 9381896243 - 2¹⁸ = 9381634099 is a prime.

It is a super-2 number, since 2×9381896243² (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 (9381896263) 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, 201671 + ... + 243792.

It is an arithmetic number, because the mean of its divisors is an integer number (2345590692).

Almost surely, 2^9381896243 is an apocalyptic number.

9381896243 is a deficient number, since it is larger than the sum of its proper divisors (466525).

9381896243 is a wasteful number, since it uses less digits than its factorization.

9381896243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466524.

The product of its digits is 2239488, while the sum is 53.

The square root of 9381896243 is about 96860.1891542650. The cubic root of 9381896243 is about 2109.0985602311.

The spelling of 9381896243 in words is "nine billion, three hundred eighty-one million, eight hundred ninety-six thousand, two hundred forty-three".