9988000943 has 2 divisors, whose sum is σ = 9988000944. Its totient is φ = 9988000942.

The previous prime is 9988000937. The next prime is 9988000951. The reversal of 9988000943 is 3490008899.

9988000943 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9988000943 - 2²⁸ = 9719565487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9988000891 and 9988000900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9988000543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4994000471 + 4994000472.

It is an arithmetic number, because the mean of its divisors is an integer number (4994000472).

Almost surely, 2^9988000943 is an apocalyptic number.

9988000943 is a deficient number, since it is larger than the sum of its proper divisors (1).

9988000943 is an equidigital number, since it uses as much as digits as its factorization.

9988000943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 9988000943 is about 99939.9867070233. The cubic root of 9988000943 is about 2153.5726389916.

The spelling of 9988000943 in words is "nine billion, nine hundred eighty-eight million, nine hundred forty-three", and thus it is an aban number.