6399329592113 has 4 divisors (see below), whose sum is σ = 6399412180980. Its totient is φ = 6399247003248.

The previous prime is 6399329592101. The next prime is 6399329592157. The reversal of 6399329592113 is 3112959239936.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 918823853809 + 5480505738304 = 958553^2 + 2341048^2 .

It is a cyclic number.

It is not a de Polignac number, because 6399329592113 - 2⁸ = 6399329591857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6399329592163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41178098 + ... + 41333211.

It is an arithmetic number, because the mean of its divisors is an integer number (1599853045245).

Almost surely, 2^{6399329592113} is an apocalyptic number.

It is an amenable number.

6399329592113 is a deficient number, since it is larger than the sum of its proper divisors (82588867).

6399329592113 is an equidigital number, since it uses as much as digits as its factorization.

6399329592113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82588866.

The product of its digits is 21257640, while the sum is 62.

The spelling of 6399329592113 in words is "six trillion, three hundred ninety-nine billion, three hundred twenty-nine million, five hundred ninety-two thousand, one hundred thirteen".