9943136841 has 32 divisors (see below), whose sum is σ = 14829889536. Its totient is φ = 5874200000.

The previous prime is 9943136821. The next prime is 9943136849. The reversal of 9943136841 is 1486313499.

It is a cyclic number.

It is not a de Polignac number, because 9943136841 - 2¹⁷ = 9943005769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9943136849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376531 + ... + 402071.

It is an arithmetic number, because the mean of its divisors is an integer number (463434048).

Almost surely, 2^9943136841 is an apocalyptic number.

It is an amenable number.

9943136841 is a deficient number, since it is larger than the sum of its proper divisors (4886752695).

9943136841 is a wasteful number, since it uses less digits than its factorization.

9943136841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25853.

The product of its digits is 559872, while the sum is 48.

The square root of 9943136841 is about 99715.2788744032. The cubic root of 9943136841 is about 2150.3433265317.

The spelling of 9943136841 in words is "nine billion, nine hundred forty-three million, one hundred thirty-six thousand, eight hundred forty-one".