2098566553 has 2 divisors, whose sum is σ = 2098566554. Its totient is φ = 2098566552.

The previous prime is 2098566523. The next prime is 2098566571. The reversal of 2098566553 is 3556658902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1126810624 + 971755929 = 33568^2 + 31173^2 .

It is a cyclic number.

It is not a de Polignac number, because 2098566553 - 2²⁵ = 2065012121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2098566497 and 2098566506.

It is not a weakly prime, because it can be changed into another prime (2098566523) 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, 1049283276 + 1049283277.

It is an arithmetic number, because the mean of its divisors is an integer number (1049283277).

Almost surely, 2^2098566553 is an apocalyptic number.

It is an amenable number.

2098566553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2098566553 is an equidigital number, since it uses as much as digits as its factorization.

2098566553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944000, while the sum is 49.

The square root of 2098566553 is about 45810.1140906678. The cubic root of 2098566553 is about 1280.2877268626.

The spelling of 2098566553 in words is "two billion, ninety-eight million, five hundred sixty-six thousand, five hundred fifty-three".