8398806043 has 2 divisors, whose sum is σ = 8398806044. Its totient is φ = 8398806042.

The previous prime is 8398806011. The next prime is 8398806049. The reversal of 8398806043 is 3406088938.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8398806043 - 2⁵ = 8398806011 is a prime.

It is not a weakly prime, because it can be changed into another prime (8398806049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4199403021 + 4199403022.

It is an arithmetic number, because the mean of its divisors is an integer number (4199403022).

Almost surely, 2^8398806043 is an apocalyptic number.

8398806043 is a deficient number, since it is larger than the sum of its proper divisors (1).

8398806043 is an equidigital number, since it uses as much as digits as its factorization.

8398806043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 8398806043 is about 91645.0000982050. Note that the first 4 decimals coincide. The cubic root of 8398806043 is about 2032.6963968800.

The spelling of 8398806043 in words is "eight billion, three hundred ninety-eight million, eight hundred six thousand, forty-three".