6488535824 has 20 divisors (see below), whose sum is σ = 12573791580. Its totient is φ = 3243686400.

The previous prime is 6488535709. The next prime is 6488535841. The reversal of 6488535824 is 4285358846.

It can be written as a sum of positive squares in 2 ways, for example, as 3325598224 + 3162937600 = 57668^2 + 56240^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64124 + ... + 130724.

It is an arithmetic number, because the mean of its divisors is an integer number (628689579).

Almost surely, 2^6488535824 is an apocalyptic number.

It is an amenable number.

6488535824 is a deficient number, since it is larger than the sum of its proper divisors (6085255756).

6488535824 is a wasteful number, since it uses less digits than its factorization.

6488535824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72698 (or 72692 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 53.

The square root of 6488535824 is about 80551.4483047946. The cubic root of 6488535824 is about 1865.1577490210.

The spelling of 6488535824 in words is "six billion, four hundred eighty-eight million, five hundred thirty-five thousand, eight hundred twenty-four".