9898000043 has 2 divisors, whose sum is σ = 9898000044. Its totient is φ = 9898000042.

The previous prime is 9897999967. The next prime is 9898000061. The reversal of 9898000043 is 3400008989.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9898000043 - 2²⁶ = 9830891179 is a prime.

It is not a weakly prime, because it can be changed into another prime (9898000243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4949000021 + 4949000022.

It is an arithmetic number, because the mean of its divisors is an integer number (4949000022).

Almost surely, 2^9898000043 is an apocalyptic number.

9898000043 is a deficient number, since it is larger than the sum of its proper divisors (1).

9898000043 is an equidigital number, since it uses as much as digits as its factorization.

9898000043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 9898000043 is about 99488.6930409682. The cubic root of 9898000043 is about 2147.0845678332.

The spelling of 9898000043 in words is "nine billion, eight hundred ninety-eight million, forty-three", and thus it is an aban number.