2098866089 has 2 divisors, whose sum is σ = 2098866090. Its totient is φ = 2098866088.

The previous prime is 2098866071. The next prime is 2098866131. The reversal of 2098866089 is 9806688902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1911176089 + 187690000 = 43717^2 + 13700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2098866089 - 2¹² = 2098861993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2098866689) 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, 1049433044 + 1049433045.

It is an arithmetic number, because the mean of its divisors is an integer number (1049433045).

Almost surely, 2^2098866089 is an apocalyptic number.

It is an amenable number.

2098866089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2098866089 is an equidigital number, since it uses as much as digits as its factorization.

2098866089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2985984, while the sum is 56.

The square root of 2098866089 is about 45813.3832957139. The cubic root of 2098866089 is about 1280.3486373318.

The spelling of 2098866089 in words is "two billion, ninety-eight million, eight hundred sixty-six thousand, eighty-nine".