831486685413 has 16 divisors (see below), whose sum is σ = 1167038809280. Its totient is φ = 525131506944.

The previous prime is 831486685349. The next prime is 831486685417. The reversal of 831486685413 is 314586684138.

It is not a de Polignac number, because 831486685413 - 2⁶ = 831486685349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831486685417) 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, 1541595 + ... + 2009847.

It is an arithmetic number, because the mean of its divisors is an integer number (72939925580).

Almost surely, 2^831486685413 is an apocalyptic number.

It is an amenable number.

831486685413 is a deficient number, since it is larger than the sum of its proper divisors (335552123867).

831486685413 is a wasteful number, since it uses less digits than its factorization.

831486685413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499428.

The product of its digits is 13271040, while the sum is 57.

The spelling of 831486685413 in words is "eight hundred thirty-one billion, four hundred eighty-six million, six hundred eighty-five thousand, four hundred thirteen".