6566474473 has 8 divisors (see below), whose sum is σ = 7079627016. Its totient is φ = 6054470400.

The previous prime is 6566474459. The next prime is 6566474477. The reversal of 6566474473 is 3744746656.

It can be written as a sum of positive squares in 4 ways, for example, as 119508624 + 6446965849 = 10932^2 + 80293^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6566474473 - 2⁹ = 6566473961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6566474473.

It is not an unprimeable number, because it can be changed into a prime (6566474477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275218 + ... + 298123.

It is an arithmetic number, because the mean of its divisors is an integer number (884953377).

Almost surely, 2^6566474473 is an apocalyptic number.

It is an amenable number.

6566474473 is a deficient number, since it is larger than the sum of its proper divisors (513152543).

6566474473 is a wasteful number, since it uses less digits than its factorization.

6566474473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574235.

The product of its digits is 10160640, while the sum is 52.

The square root of 6566474473 is about 81033.7859969531. The cubic root of 6566474473 is about 1872.5959801616.

The spelling of 6566474473 in words is "six billion, five hundred sixty-six million, four hundred seventy-four thousand, four hundred seventy-three".