6399004365930 has 256 divisors, whose sum is σ = 17719836825600. Its totient is φ = 1462616064000.

The previous prime is 6399004365913. The next prime is 6399004366003. The reversal of 6399004365930 is 395634009936.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1922198506 + ... + 1922201834.

It is an arithmetic number, because the mean of its divisors is an integer number (69218112600).

Almost surely, 2^{6399004365930} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6399004365930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8859918412800).

6399004365930 is an abundant number, since it is smaller than the sum of its proper divisors (11320832459670).

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

6399004365930 is a wasteful number, since it uses less digits than its factorization.

6399004365930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4741.

The product of its (nonzero) digits is 14171760, while the sum is 57.

The spelling of 6399004365930 in words is "six trillion, three hundred ninety-nine billion, four million, three hundred sixty-five thousand, nine hundred thirty".