843931139348 has 12 divisors (see below), whose sum is σ = 1611141266112. Its totient is φ = 383605063320.

The previous prime is 843931139341. The next prime is 843931139351.

843931139348 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×843931139348² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 843931139293 and 843931139302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (843931139341) 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, 9590126540 + ... + 9590126627.

It is an arithmetic number, because the mean of its divisors is an integer number (134261772176).

Almost surely, 2^843931139348 is an apocalyptic number.

It is an amenable number.

843931139348 is a deficient number, since it is larger than the sum of its proper divisors (767210126764).

843931139348 is a wasteful number, since it uses less digits than its factorization.

843931139348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19180253182 (or 19180253180 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 56.

The spelling of 843931139348 in words is "eight hundred forty-three billion, nine hundred thirty-one million, one hundred thirty-nine thousand, three hundred forty-eight".