6468584643 has 32 divisors (see below), whose sum is σ = 10382803200. Its totient is φ = 3964318848.

The previous prime is 6468584641. The next prime is 6468584669. The reversal of 6468584643 is 3464858646.

It is not a de Polignac number, because 6468584643 - 2¹ = 6468584641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6468584643.

It is not an unprimeable number, because it can be changed into a prime (6468584641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144133 + ... + 183606.

It is an arithmetic number, because the mean of its divisors is an integer number (324462600).

Almost surely, 2^6468584643 is an apocalyptic number.

6468584643 is a deficient number, since it is larger than the sum of its proper divisors (3914218557).

6468584643 is a wasteful number, since it uses less digits than its factorization.

6468584643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327808 (or 327802 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 54.

The square root of 6468584643 is about 80427.5117295071. The cubic root of 6468584643 is about 1863.2441018077.

The spelling of 6468584643 in words is "six billion, four hundred sixty-eight million, five hundred eighty-four thousand, six hundred forty-three".