6485271021328 has 60 divisors (see below), whose sum is σ = 14071941111564. Its totient is φ = 2892230598400.

The previous prime is 6485271021323. The next prime is 6485271021343. The reversal of 6485271021328 is 8231201725846.

It can be written as a sum of positive squares in 2 ways, for example, as 4704092507664 + 1781178513664 = 2168892^2 + 1334608^2 .

It is not an unprimeable number, because it can be changed into a prime (6485271021323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31499563 + ... + 31704778.

Almost surely, 2^{6485271021328} is an apocalyptic number.

It is an amenable number.

6485271021328 is an abundant number, since it is smaller than the sum of its proper divisors (7586670090236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6485271021328 is a wasteful number, since it uses less digits than its factorization.

6485271021328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63204424 (or 63204407 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 6485271021328 in words is "six trillion, four hundred eighty-five billion, two hundred seventy-one million, twenty-one thousand, three hundred twenty-eight".