6468089 has 2 divisors, whose sum is σ = 6468090. Its totient is φ = 6468088.

The previous prime is 6468079. The next prime is 6468149. The reversal of 6468089 is 9808646.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6250000 + 218089 = 2500^2 + 467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6468089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6468079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3234044 + 3234045.

It is an arithmetic number, because the mean of its divisors is an integer number (3234045).

Almost surely, 2^6468089 is an apocalyptic number.

It is an amenable number.

6468089 is a deficient number, since it is larger than the sum of its proper divisors (1).

6468089 is an equidigital number, since it uses as much as digits as its factorization.

6468089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 6468089 is about 2543.2437948415. The cubic root of 6468089 is about 186.3196511413.

The spelling of 6468089 in words is "six million, four hundred sixty-eight thousand, eighty-nine".