6536985272 has 16 divisors (see below), whose sum is σ = 12259933800. Its totient is φ = 3267669600.

The previous prime is 6536985263. The next prime is 6536985341. The reversal of 6536985272 is 2725896356.

It is a congruent number.

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, 68447 + ... + 133262.

Almost surely, 2^6536985272 is an apocalyptic number.

It is an amenable number.

6536985272 is a deficient number, since it is larger than the sum of its proper divisors (5722948528).

6536985272 is a wasteful number, since it uses less digits than its factorization.

6536985272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205766 (or 205762 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 53.

The square root of 6536985272 is about 80851.6250424195. The cubic root of 6536985272 is about 1869.7885766673.

The spelling of 6536985272 in words is "six billion, five hundred thirty-six million, nine hundred eighty-five thousand, two hundred seventy-two".