6517634671 has 4 divisors (see below), whose sum is σ = 6518475000. Its totient is φ = 6516794344.

The previous prime is 6517634647. The next prime is 6517634689. The reversal of 6517634671 is 1764367156.

6517634671 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 6517634671 - 2¹⁵ = 6517601903 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 (6517634621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408421 + ... + 424078.

It is an arithmetic number, because the mean of its divisors is an integer number (1629618750).

Almost surely, 2^6517634671 is an apocalyptic number.

6517634671 is a deficient number, since it is larger than the sum of its proper divisors (840329).

6517634671 is an equidigital number, since it uses as much as digits as its factorization.

6517634671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840328.

The product of its digits is 635040, while the sum is 46.

The square root of 6517634671 is about 80731.8689923626. The cubic root of 6517634671 is about 1867.9417879102.

The spelling of 6517634671 in words is "six billion, five hundred seventeen million, six hundred thirty-four thousand, six hundred seventy-one".