13843391324 has 48 divisors (see below), whose sum is σ = 28015669248. Its totient is φ = 5862803328.

The previous prime is 13843391311. The next prime is 13843391357. The reversal of 13843391324 is 42319334831.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847337 + ... + 863519.

It is an arithmetic number, because the mean of its divisors is an integer number (583659776).

Almost surely, 2^13843391324 is an apocalyptic number.

13843391324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13843391324 is an abundant number, since it is smaller than the sum of its proper divisors (14172277924).

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

13843391324 is a wasteful number, since it uses less digits than its factorization.

13843391324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16554 (or 16552 counting only the distinct ones).

The product of its digits is 186624, while the sum is 41.

The spelling of 13843391324 in words is "thirteen billion, eight hundred forty-three million, three hundred ninety-one thousand, three hundred twenty-four".