6389713788 has 12 divisors (see below), whose sum is σ = 14909332200. Its totient is φ = 2129904592.

The previous prime is 6389713763. The next prime is 6389713801. The reversal of 6389713788 is 8873179836.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266238063 + ... + 266238086.

It is an arithmetic number, because the mean of its divisors is an integer number (1242444350).

Almost surely, 2^6389713788 is an apocalyptic number.

It is an amenable number.

6389713788 is an abundant number, since it is smaller than the sum of its proper divisors (8519618412).

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

6389713788 is a wasteful number, since it uses less digits than its factorization.

6389713788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532476156 (or 532476154 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 60.

The square root of 6389713788 is about 79935.6853226392. The cubic root of 6389713788 is about 1855.6403257743.

The spelling of 6389713788 in words is "six billion, three hundred eighty-nine million, seven hundred thirteen thousand, seven hundred eighty-eight".