6506480173 has 4 divisors (see below), whose sum is σ = 6507174780. Its totient is φ = 6505785568.

The previous prime is 6506480171. The next prime is 6506480177. The reversal of 6506480173 is 3710846056.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2022570729 + 4483909444 = 44973^2 + 66962^2 .

It is a cyclic number.

It is not a de Polignac number, because 6506480173 - 2¹ = 6506480171 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6506480171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333058 + ... + 352051.

It is an arithmetic number, because the mean of its divisors is an integer number (1626793695).

Almost surely, 2^6506480173 is an apocalyptic number.

It is an amenable number.

6506480173 is a deficient number, since it is larger than the sum of its proper divisors (694607).

6506480173 is an equidigital number, since it uses as much as digits as its factorization.

6506480173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694606.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 6506480173 is about 80662.7557984477. The cubic root of 6506480173 is about 1866.8755600656.

The spelling of 6506480173 in words is "six billion, five hundred six million, four hundred eighty thousand, one hundred seventy-three".