6818455473 has 16 divisors (see below), whose sum is σ = 9112740672. Its totient is φ = 4534920000.

The previous prime is 6818455471. The next prime is 6818455507. The reversal of 6818455473 is 3745548186.

It is not a de Polignac number, because 6818455473 - 2¹ = 6818455471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6818455471) 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 in 15 ways as a sum of consecutive naturals, for example, 3585823 + ... + 3587723.

It is an arithmetic number, because the mean of its divisors is an integer number (569546292).

Almost surely, 2^6818455473 is an apocalyptic number.

It is an amenable number.

6818455473 is a deficient number, since it is larger than the sum of its proper divisors (2294285199).

6818455473 is a wasteful number, since it uses less digits than its factorization.

6818455473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4096.

The product of its digits is 3225600, while the sum is 51.

The square root of 6818455473 is about 82573.9394300647. The cubic root of 6818455473 is about 1896.2488754803.

The spelling of 6818455473 in words is "six billion, eight hundred eighteen million, four hundred fifty-five thousand, four hundred seventy-three".