6806562851 has 16 divisors (see below), whose sum is σ = 7536775680. Its totient is φ = 6095142720.

The previous prime is 6806562839. The next prime is 6806562857. The reversal of 6806562851 is 1582656086.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6806562851 - 2³⁰ = 5732821027 is a prime.

It is a super-2 number, since 2×6806562851² = 92658595689226496402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6806562796 and 6806562805.

It is not an unprimeable number, because it can be changed into a prime (6806562857) 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 15 ways as a sum of consecutive naturals, for example, 668666 + ... + 678768.

It is an arithmetic number, because the mean of its divisors is an integer number (471048480).

Almost surely, 2^6806562851 is an apocalyptic number.

6806562851 is a deficient number, since it is larger than the sum of its proper divisors (730212829).

6806562851 is a wasteful number, since it uses less digits than its factorization.

6806562851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11026.

The product of its (nonzero) digits is 691200, while the sum is 47.

The square root of 6806562851 is about 82501.8960448789. The cubic root of 6806562851 is about 1895.1457666639.

The spelling of 6806562851 in words is "six billion, eight hundred six million, five hundred sixty-two thousand, eight hundred fifty-one".