6399382101 has 32 divisors (see below), whose sum is σ = 10065561600. Its totient is φ = 3539992896.

The previous prime is 6399382057. The next prime is 6399382117. The reversal of 6399382101 is 1012839936.

It is not a de Polignac number, because 6399382101 - 2¹⁴ = 6399365717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6399382141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133930 + ... + 175316.

It is an arithmetic number, because the mean of its divisors is an integer number (314548800).

Almost surely, 2^6399382101 is an apocalyptic number.

It is an amenable number.

6399382101 is a deficient number, since it is larger than the sum of its proper divisors (3666179499).

6399382101 is a wasteful number, since it uses less digits than its factorization.

6399382101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41633.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 6399382101 is about 79996.1380380328. The cubic root of 6399382101 is about 1856.5757808325.

The spelling of 6399382101 in words is "six billion, three hundred ninety-nine million, three hundred eighty-two thousand, one hundred one".