6842399278995 has 96 divisors (see below), whose sum is σ = 14395151347200. Its totient is φ = 2935061775360.

The previous prime is 6842399278993. The next prime is 6842399279039. The reversal of 6842399278995 is 5998729932486.

6842399278995 is a `hidden beast` number, since 6 + 8 + 42 + 399 + 27 + 89 + 95 = 666.

It is not a de Polignac number, because 6842399278995 - 2¹ = 6842399278993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6842399278993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 157645 + ... + 3702654.

It is an arithmetic number, because the mean of its divisors is an integer number (149949493200).

Almost surely, 2^{6842399278995} is an apocalyptic number.

6842399278995 is an abundant number, since it is smaller than the sum of its proper divisors (7552752068205).

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

6842399278995 is a wasteful number, since it uses less digits than its factorization.

6842399278995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860665 (or 3860662 counting only the distinct ones).

The product of its digits is 4232632320, while the sum is 81.

The spelling of 6842399278995 in words is "six trillion, eight hundred forty-two billion, three hundred ninety-nine million, two hundred seventy-eight thousand, nine hundred ninety-five".