6399828333 has 16 divisors (see below), whose sum is σ = 9508408000. Its totient is φ = 4254320880.

The previous prime is 6399828299. The next prime is 6399828341. The reversal of 6399828333 is 3338289936.

It is not a de Polignac number, because 6399828333 - 2⁹ = 6399827821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6399828333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6399828133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330163 + ... + 349008.

It is an arithmetic number, because the mean of its divisors is an integer number (594275500).

Almost surely, 2^6399828333 is an apocalyptic number.

It is an amenable number.

6399828333 is a deficient number, since it is larger than the sum of its proper divisors (3108579667).

6399828333 is a wasteful number, since it uses less digits than its factorization.

6399828333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679529 (or 679523 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 54.

The square root of 6399828333 is about 79998.9270740552. The cubic root of 6399828333 is about 1856.6189331377.

The spelling of 6399828333 in words is "six billion, three hundred ninety-nine million, eight hundred twenty-eight thousand, three hundred thirty-three".