5806856506564 has 9 divisors (see below), whose sum is σ = 10162007320591. Its totient is φ = 2903425843540.

The previous prime is 5806856506481. The next prime is 5806856506571. The reversal of 5806856506564 is 4656056586085.

The square root of 5806856506564 is 2409742.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5806856506496 and 5806856506505.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 4217049 + ... + 5421919.

Almost surely, 2^{5806856506564} is an apocalyptic number.

5806856506564 is the 2409742-nd square number.

It is an amenable number.

5806856506564 is a deficient number, since it is larger than the sum of its proper divisors (4355150814027).

5806856506564 is an frugal number, since it uses more digits than its factorization.

5806856506564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409746 (or 1204873 counting only the distinct ones).

The product of its (nonzero) digits is 207360000, while the sum is 64.

Multiplying 5806856506564 by its sum of digits (64), we get a square (371638816420096 = 19277936²).

The spelling of 5806856506564 in words is "five trillion, eight hundred six billion, eight hundred fifty-six million, five hundred six thousand, five hundred sixty-four".