9941533791 has 32 divisors (see below), whose sum is σ = 15241674240. Its totient is φ = 5646219264.

The previous prime is 9941533769. The next prime is 9941533829. The reversal of 9941533791 is 1973351499.

9941533791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9941533791 - 2⁵ = 9941533759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9941533391) 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 31 ways as a sum of consecutive naturals, for example, 3291480 + ... + 3294498.

It is an arithmetic number, because the mean of its divisors is an integer number (476302320).

Almost surely, 2^9941533791 is an apocalyptic number.

9941533791 is a deficient number, since it is larger than the sum of its proper divisors (5300140449).

9941533791 is a wasteful number, since it uses less digits than its factorization.

9941533791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935.

The product of its digits is 918540, while the sum is 51.

The square root of 9941533791 is about 99707.2404141244. The cubic root of 9941533791 is about 2150.2277596105.

The spelling of 9941533791 in words is "nine billion, nine hundred forty-one million, five hundred thirty-three thousand, seven hundred ninety-one".