9988562443 has 2 divisors, whose sum is σ = 9988562444. Its totient is φ = 9988562442.

The previous prime is 9988562411. The next prime is 9988562459. The reversal of 9988562443 is 3442658899.

9988562443 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9988562443 - 2⁵ = 9988562411 is a prime.

It is not a weakly prime, because it can be changed into another prime (9988562543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4994281221 + 4994281222.

It is an arithmetic number, because the mean of its divisors is an integer number (4994281222).

Almost surely, 2^9988562443 is an apocalyptic number.

9988562443 is a deficient number, since it is larger than the sum of its proper divisors (1).

9988562443 is an equidigital number, since it uses as much as digits as its factorization.

9988562443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14929920, while the sum is 58.

The square root of 9988562443 is about 99942.7958534281. The cubic root of 9988562443 is about 2153.6129943602.

The spelling of 9988562443 in words is "nine billion, nine hundred eighty-eight million, five hundred sixty-two thousand, four hundred forty-three".