6538484938 has 4 divisors (see below), whose sum is σ = 9807727410. Its totient is φ = 3269242468.

The previous prime is 6538484861. The next prime is 6538484959. The reversal of 6538484938 is 8394848356.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3373634889 + 3164850049 = 58083^2 + 56257^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1634621233 + ... + 1634621236.

Almost surely, 2^6538484938 is an apocalyptic number.

6538484938 is a deficient number, since it is larger than the sum of its proper divisors (3269242472).

6538484938 is a wasteful number, since it uses less digits than its factorization.

6538484938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269242471.

The product of its digits is 19906560, while the sum is 58.

The square root of 6538484938 is about 80860.8986964652. The cubic root of 6538484938 is about 1869.9315500124.

The spelling of 6538484938 in words is "six billion, five hundred thirty-eight million, four hundred eighty-four thousand, nine hundred thirty-eight".