9983193945 has 8 divisors (see below), whose sum is σ = 15973110336. Its totient is φ = 5324370096.

The previous prime is 9983193919. The next prime is 9983193971. The reversal of 9983193945 is 5493913899.

9983193945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9983193919) and next prime (9983193971).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9983193945 - 2¹⁸ = 9982931801 is a prime.

It is a super-3 number, since 3×9983193945³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332773117 + ... + 332773146.

It is an arithmetic number, because the mean of its divisors is an integer number (1996638792).

Almost surely, 2^9983193945 is an apocalyptic number.

It is an amenable number.

9983193945 is a deficient number, since it is larger than the sum of its proper divisors (5989916391).

9983193945 is a wasteful number, since it uses less digits than its factorization.

9983193945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665546271.

The product of its digits is 9447840, while the sum is 60.

The square root of 9983193945 is about 99915.9343898660. The cubic root of 9983193945 is about 2153.2270950189.

The spelling of 9983193945 in words is "nine billion, nine hundred eighty-three million, one hundred ninety-three thousand, nine hundred forty-five".