6468584669 has 2 divisors, whose sum is σ = 6468584670. Its totient is φ = 6468584668.

The previous prime is 6468584641. The next prime is 6468584671. The reversal of 6468584669 is 9664858646.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5704780900 + 763803769 = 75530^2 + 27637^2 .

It is a cyclic number.

It is not a de Polignac number, because 6468584669 - 2⁸ = 6468584413 is a prime.

It is a super-2 number, since 2×6468584669² = 83685175240043679122, which contains 22 as substring.

Together with 6468584671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6468584869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3234292334 + 3234292335.

It is an arithmetic number, because the mean of its divisors is an integer number (3234292335).

Almost surely, 2^6468584669 is an apocalyptic number.

It is an amenable number.

6468584669 is a deficient number, since it is larger than the sum of its proper divisors (1).

6468584669 is an equidigital number, since it uses as much as digits as its factorization.

6468584669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 59719680, while the sum is 62.

The square root of 6468584669 is about 80427.5118911433. The cubic root of 6468584669 is about 1863.2441043041.

The spelling of 6468584669 in words is "six billion, four hundred sixty-eight million, five hundred eighty-four thousand, six hundred sixty-nine".