831796196421 has 16 divisors (see below), whose sum is σ = 1130151398400. Its totient is φ = 543988935360.

The previous prime is 831796196389. The next prime is 831796196423. The reversal of 831796196421 is 124691697138.

It is a happy number.

It is not a de Polignac number, because 831796196421 - 2⁵ = 831796196389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831796196423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 728476 + ... + 1481306.

It is an arithmetic number, because the mean of its divisors is an integer number (70634462400).

Almost surely, 2^831796196421 is an apocalyptic number.

It is an amenable number.

831796196421 is a deficient number, since it is larger than the sum of its proper divisors (298355201979).

831796196421 is a wasteful number, since it uses less digits than its factorization.

831796196421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759836.

The product of its digits is 3919104, while the sum is 57.

The spelling of 831796196421 in words is "eight hundred thirty-one billion, seven hundred ninety-six million, one hundred ninety-six thousand, four hundred twenty-one".