6538938704 has 20 divisors (see below), whose sum is σ = 12829565760. Its totient is φ = 3228083040.

The previous prime is 6538938697. The next prime is 6538938713. The reversal of 6538938704 is 4078398356.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2585342 + ... + 2587869.

It is an arithmetic number, because the mean of its divisors is an integer number (641478288).

Almost surely, 2^6538938704 is an apocalyptic number.

It is an amenable number.

6538938704 is a deficient number, since it is larger than the sum of its proper divisors (6290627056).

6538938704 is a wasteful number, since it uses less digits than its factorization.

6538938704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5173298 (or 5173292 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The square root of 6538938704 is about 80863.7044909519. The cubic root of 6538938704 is about 1869.9748062988.

The spelling of 6538938704 in words is "six billion, five hundred thirty-eight million, nine hundred thirty-eight thousand, seven hundred four".