6485438271 has 32 divisors (see below), whose sum is σ = 9854272512. Its totient is φ = 3763710720.

The previous prime is 6485438257. The next prime is 6485438279. The reversal of 6485438271 is 1728345846.

It is not a de Polignac number, because 6485438271 - 2⁹ = 6485437759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6485438271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6485438279) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12771 + ... + 114603.

It is an arithmetic number, because the mean of its divisors is an integer number (307946016).

Almost surely, 2^6485438271 is an apocalyptic number.

6485438271 is a deficient number, since it is larger than the sum of its proper divisors (3368834241).

6485438271 is a wasteful number, since it uses less digits than its factorization.

6485438271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101943.

The product of its digits is 1290240, while the sum is 48.

The square root of 6485438271 is about 80532.2188381768. The cubic root of 6485438271 is about 1864.8609000995.

The spelling of 6485438271 in words is "six billion, four hundred eighty-five million, four hundred thirty-eight thousand, two hundred seventy-one".