6389689080 has 32 divisors (see below), whose sum is σ = 19169067600. Its totient is φ = 1703917056.

The previous prime is 6389689049. The next prime is 6389689121. The reversal of 6389689080 is 809869836.

It is a self number, because there is not a number n which added to its sum of digits gives 6389689080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26623585 + ... + 26623824.

Almost surely, 2^6389689080 is an apocalyptic number.

6389689080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6389689080 is an abundant number, since it is smaller than the sum of its proper divisors (12779378520).

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

6389689080 is a wasteful number, since it uses less digits than its factorization.

6389689080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53247423 (or 53247419 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 57.

The square root of 6389689080 is about 79935.5307732425. The cubic root of 6389689080 is about 1855.6379339499.

The spelling of 6389689080 in words is "six billion, three hundred eighty-nine million, six hundred eighty-nine thousand, eighty".