6838438036 has 12 divisors (see below), whose sum is σ = 12009555712. Its totient is φ = 3407136408.

The previous prime is 6838438031. The next prime is 6838438073. The reversal of 6838438036 is 6308348386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6838438031) 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, 3019380 + ... + 3021643.

Almost surely, 2^6838438036 is an apocalyptic number.

It is an amenable number.

6838438036 is a deficient number, since it is larger than the sum of its proper divisors (5171117676).

6838438036 is a wasteful number, since it uses less digits than its factorization.

6838438036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6041310 (or 6041308 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 49.

The square root of 6838438036 is about 82694.8489085022. The cubic root of 6838438036 is about 1898.0994879753.

The spelling of 6838438036 in words is "six billion, eight hundred thirty-eight million, four hundred thirty-eight thousand, thirty-six".