6538528893 has 8 divisors (see below), whose sum is σ = 9388656928. Its totient is φ = 4023710064.

The previous prime is 6538528853. The next prime is 6538528901. The reversal of 6538528893 is 3988258356.

6538528893 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6538528893 - 2¹⁰ = 6538527869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6538528853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83827255 + ... + 83827332.

It is an arithmetic number, because the mean of its divisors is an integer number (1173582116).

Almost surely, 2^6538528893 is an apocalyptic number.

It is an amenable number.

6538528893 is a deficient number, since it is larger than the sum of its proper divisors (2850128035).

6538528893 is a wasteful number, since it uses less digits than its factorization.

6538528893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167654603.

The product of its digits is 12441600, while the sum is 57.

The square root of 6538528893 is about 80861.1704899206. The cubic root of 6538528893 is about 1869.9357402113.

The spelling of 6538528893 in words is "six billion, five hundred thirty-eight million, five hundred twenty-eight thousand, eight hundred ninety-three".