9938355893 has 8 divisors (see below), whose sum is σ = 10041752160. Its totient is φ = 9835182000.

The previous prime is 9938355877. The next prime is 9938355901. The reversal of 9938355893 is 3985538399.

9938355893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 9938355893 - 2⁴ = 9938355877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9938351893) by changing a digit.

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, 35018 + ... + 145268.

It is an arithmetic number, because the mean of its divisors is an integer number (1255219020).

Almost surely, 2^9938355893 is an apocalyptic number.

It is an amenable number.

9938355893 is a deficient number, since it is larger than the sum of its proper divisors (103396267).

9938355893 is a wasteful number, since it uses less digits than its factorization.

9938355893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111187.

The product of its digits is 31492800, while the sum is 62.

The square root of 9938355893 is about 99691.3029957980. The cubic root of 9938355893 is about 2149.9986221733.

The spelling of 9938355893 in words is "nine billion, nine hundred thirty-eight million, three hundred fifty-five thousand, eight hundred ninety-three".