831864424468138 has 64 divisors (see below), whose sum is σ = 1344125201328000. Its totient is φ = 384948376003584.

The previous prime is 831864424468073. The next prime is 831864424468159.

831864424468138 is nontrivially palindromic in base 10.

831864424468138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1848654358 + ... + 1849104286.

It is an arithmetic number, because the mean of its divisors is an integer number (21001956270750).

Almost surely, 2^{831864424468138} is an apocalyptic number.

831864424468138 is a deficient number, since it is larger than the sum of its proper divisors (512260776859862).

831864424468138 is a wasteful number, since it uses less digits than its factorization.

831864424468138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456359.

The product of its digits is 679477248, while the sum is 70.

The spelling of 831864424468138 in words is "eight hundred thirty-one trillion, eight hundred sixty-four billion, four hundred twenty-four million, four hundred sixty-eight thousand, one hundred thirty-eight".