2098111849 has 2 divisors, whose sum is σ = 2098111850. Its totient is φ = 2098111848.

The previous prime is 2098111811. The next prime is 2098111853. The reversal of 2098111849 is 9481118902.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1930020624 + 168091225 = 43932^2 + 12965^2 .

It is a cyclic number.

It is not a de Polignac number, because 2098111849 - 2¹¹ = 2098109801 is a prime.

It is not a weakly prime, because it can be changed into another prime (2098111859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049055924 + 1049055925.

It is an arithmetic number, because the mean of its divisors is an integer number (1049055925).

Almost surely, 2^2098111849 is an apocalyptic number.

It is an amenable number.

2098111849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2098111849 is an equidigital number, since it uses as much as digits as its factorization.

2098111849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 43.

The square root of 2098111849 is about 45805.1509003081. The cubic root of 2098111849 is about 1280.1952519936.

The spelling of 2098111849 in words is "two billion, ninety-eight million, one hundred eleven thousand, eight hundred forty-nine".