6389550960 has 80 divisors (see below), whose sum is σ = 21331280544. Its totient is φ = 1572811776.

The previous prime is 6389550953. The next prime is 6389550991. The reversal of 6389550960 is 690559836.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×6389550960² = 81652722940873843200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020847 + ... + 1027086.

Almost surely, 2^6389550960 is an apocalyptic number.

6389550960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6389550960 is an abundant number, since it is smaller than the sum of its proper divisors (14941729584).

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

6389550960 is a wasteful number, since it uses less digits than its factorization.

6389550960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047962 (or 2047956 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 51.

The square root of 6389550960 is about 79934.6668223494. Note that the first 3 decimals coincide. The cubic root of 6389550960 is about 1855.6245633171.

The spelling of 6389550960 in words is "six billion, three hundred eighty-nine million, five hundred fifty thousand, nine hundred sixty".