6389391330 has 48 divisors (see below), whose sum is σ = 18985621824. Its totient is φ = 1460432160.

The previous prime is 6389391319. The next prime is 6389391353. The reversal of 6389391330 is 331939836.

6389391330 is a `hidden beast` number, since 638 + 9 + 3 + 9 + 1 + 3 + 3 + 0 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5070316 + ... + 5071575.

It is an arithmetic number, because the mean of its divisors is an integer number (395533788).

Almost surely, 2^6389391330 is an apocalyptic number.

6389391330 is an abundant number, since it is smaller than the sum of its proper divisors (12596230494).

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

6389391330 is a wasteful number, since it uses less digits than its factorization.

6389391330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10141911 (or 10141908 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 45.

The square root of 6389391330 is about 79933.6683131708. The cubic root of 6389391330 is about 1855.6091101803.

The spelling of 6389391330 in words is "six billion, three hundred eighty-nine million, three hundred ninety-one thousand, three hundred thirty".