6533481128 has 24 divisors (see below), whose sum is σ = 12454505130. Its totient is φ = 3212309280.

The previous prime is 6533481109. The next prime is 6533481133. The reversal of 6533481128 is 8211843356.

It can be written as a sum of positive squares in only one way, i.e., 6479928004 + 53553124 = 80498^2 + 7318^2 .

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 5 ways as a sum of consecutive naturals, for example, 1783763 + ... + 1787421.

Almost surely, 2^6533481128 is an apocalyptic number.

It is an amenable number.

6533481128 is a deficient number, since it is larger than the sum of its proper divisors (5921024002).

6533481128 is an frugal number, since it uses more digits than its factorization.

6533481128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7385 (or 3722 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 6533481128 is about 80829.9519237764. The cubic root of 6533481128 is about 1869.4544175592.

The spelling of 6533481128 in words is "six billion, five hundred thirty-three million, four hundred eighty-one thousand, one hundred twenty-eight".