6503438704 has 20 divisors (see below), whose sum is σ = 14400471664. Its totient is φ = 2787187968.

The previous prime is 6503438701. The next prime is 6503438717. The reversal of 6503438704 is 4078343056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6503438701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29033097 + ... + 29033320.

Almost surely, 2^6503438704 is an apocalyptic number.

It is an amenable number.

6503438704 is an abundant number, since it is smaller than the sum of its proper divisors (7897032960).

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

6503438704 is a wasteful number, since it uses less digits than its factorization.

6503438704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58066432 (or 58066426 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 6503438704 is about 80643.9006001074. The cubic root of 6503438704 is about 1866.5846229814.

The spelling of 6503438704 in words is "six billion, five hundred three million, four hundred thirty-eight thousand, seven hundred four".