13841083721 has 12 divisors (see below), whose sum is σ = 14629558020. Its totient is φ = 13079408160.

The previous prime is 13841083717. The next prime is 13841083723. The reversal of 13841083721 is 12738014831.

It can be written as a sum of positive squares in 2 ways, for example, as 5740183696 + 8100900025 = 75764^2 + 90005^2 .

It is not a de Polignac number, because 13841083721 - 2² = 13841083717 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13841083723) 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 11 ways as a sum of consecutive naturals, for example, 43970 + ... + 172091.

It is an arithmetic number, because the mean of its divisors is an integer number (1219129835).

Almost surely, 2^13841083721 is an apocalyptic number.

It is an amenable number.

13841083721 is a deficient number, since it is larger than the sum of its proper divisors (788474299).

13841083721 is an equidigital number, since it uses as much as digits as its factorization.

13841083721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216184 (or 216137 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 13841083721 in words is "thirteen billion, eight hundred forty-one million, eighty-three thousand, seven hundred twenty-one".