9941839331 has 4 divisors (see below), whose sum is σ = 9943153872. Its totient is φ = 9940524792.

The previous prime is 9941839307. The next prime is 9941839361. The reversal of 9941839331 is 1339381499.

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

It is a cyclic number.

It is not a de Polignac number, because 9941839331 - 2¹⁰ = 9941838307 is a prime.

It is a super-2 number, since 2×9941839331² (a number of 21 digits) contains 22 as substring.

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 9941839331.

It is not an unprimeable number, because it can be changed into a prime (9941839361) 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, 645860 + ... + 661073.

It is an arithmetic number, because the mean of its divisors is an integer number (2485788468).

Almost surely, 2^9941839331 is an apocalyptic number.

9941839331 is a deficient number, since it is larger than the sum of its proper divisors (1314541).

9941839331 is a wasteful number, since it uses less digits than its factorization.

9941839331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314540.

The product of its digits is 629856, while the sum is 50.

The square root of 9941839331 is about 99708.7725879724. The cubic root of 9941839331 is about 2150.2497875280.

The spelling of 9941839331 in words is "nine billion, nine hundred forty-one million, eight hundred thirty-nine thousand, three hundred thirty-one".