6538764485 has 64 divisors (see below), whose sum is σ = 9268680960. Its totient is φ = 4375572480.

The previous prime is 6538764457. The next prime is 6538764493. The reversal of 6538764485 is 5844678356.

It is not a de Polignac number, because 6538764485 - 2¹⁰ = 6538763461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6538764485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8458559 + ... + 8459331.

It is an arithmetic number, because the mean of its divisors is an integer number (144823140).

Almost surely, 2^6538764485 is an apocalyptic number.

It is an amenable number.

6538764485 is a deficient number, since it is larger than the sum of its proper divisors (2729916475).

6538764485 is a wasteful number, since it uses less digits than its factorization.

6538764485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998.

The product of its digits is 19353600, while the sum is 56.

The square root of 6538764485 is about 80862.6272452237. The cubic root of 6538764485 is about 1869.9581987091.

The spelling of 6538764485 in words is "six billion, five hundred thirty-eight million, seven hundred sixty-four thousand, four hundred eighty-five".