6563138484 has 24 divisors (see below), whose sum is σ = 17501702848. Its totient is φ = 1875182400.

The previous prime is 6563138471. The next prime is 6563138489. The reversal of 6563138484 is 4848313656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6563138489) 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, 39066217 + ... + 39066384.

Almost surely, 2^6563138484 is an apocalyptic number.

It is an amenable number.

6563138484 is an abundant number, since it is smaller than the sum of its proper divisors (10938564364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6563138484 is a wasteful number, since it uses less digits than its factorization.

6563138484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78132615 (or 78132613 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 48.

The square root of 6563138484 is about 81013.1994430537. The cubic root of 6563138484 is about 1872.2788126159.

The spelling of 6563138484 in words is "six billion, five hundred sixty-three million, one hundred thirty-eight thousand, four hundred eighty-four".