6538590089 has 2 divisors, whose sum is σ = 6538590090. Its totient is φ = 6538590088.

The previous prime is 6538590083. The next prime is 6538590101. The reversal of 6538590089 is 9800958356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3517438864 + 3021151225 = 59308^2 + 54965^2 .

It is a cyclic number.

It is not a de Polignac number, because 6538590089 - 2²⁰ = 6537541513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6538590089.

It is not a weakly prime, because it can be changed into another prime (6538590083) 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, 3269295044 + 3269295045.

It is an arithmetic number, because the mean of its divisors is an integer number (3269295045).

Almost surely, 2^6538590089 is an apocalyptic number.

It is an amenable number.

6538590089 is a deficient number, since it is larger than the sum of its proper divisors (1).

6538590089 is an equidigital number, since it uses as much as digits as its factorization.

6538590089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The square root of 6538590089 is about 80861.5488906810. The cubic root of 6538590089 is about 1869.9415739512.

The spelling of 6538590089 in words is "six billion, five hundred thirty-eight million, five hundred ninety thousand, eighty-nine".