6480711764 has 12 divisors (see below), whose sum is σ = 11647766004. Its totient is φ = 3152778624.

The previous prime is 6480711733. The next prime is 6480711779. The reversal of 6480711764 is 4671170846.

It can be written as a sum of positive squares in 2 ways, for example, as 4626720400 + 1853991364 = 68020^2 + 43058^2 .

It is a congruent number.

It is an unprimeable number.

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, 21894149 + ... + 21894444.

It is an arithmetic number, because the mean of its divisors is an integer number (970647167).

Almost surely, 2^6480711764 is an apocalyptic number.

It is an amenable number.

6480711764 is a deficient number, since it is larger than the sum of its proper divisors (5167054240).

6480711764 is a wasteful number, since it uses less digits than its factorization.

6480711764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43788634 (or 43788632 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 6480711764 is about 80502.8680482876. The cubic root of 6480711764 is about 1864.4077608337.

The spelling of 6480711764 in words is "six billion, four hundred eighty million, seven hundred eleven thousand, seven hundred sixty-four".