6809170473 has 20 divisors (see below), whose sum is σ = 11624828160. Its totient is φ = 3890954232.

The previous prime is 6809170469. The next prime is 6809170477. The reversal of 6809170473 is 3740719086.

6809170473 is a `hidden beast` number, since 6 + 8 + 0 + 9 + 170 + 473 = 666.

It is an interprime number because it is at equal distance from previous prime (6809170469) and next prime (6809170477).

It is not a de Polignac number, because 6809170473 - 2² = 6809170469 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6809170477) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6003993 + ... + 6005126.

It is an arithmetic number, because the mean of its divisors is an integer number (581241408).

Almost surely, 2^6809170473 is an apocalyptic number.

6809170473 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

6809170473 is a deficient number, since it is larger than the sum of its proper divisors (4815657687).

6809170473 is a wasteful number, since it uses less digits than its factorization.

6809170473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12009138 (or 12009129 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 6809170473 is about 82517.6979380787. The cubic root of 6809170473 is about 1895.3877484570.

The spelling of 6809170473 in words is "six billion, eight hundred nine million, one hundred seventy thousand, four hundred seventy-three".