13821340171 has 8 divisors (see below), whose sum is σ = 14155120784. Its totient is φ = 13491463680.

The previous prime is 13821340133. The next prime is 13821340217. The reversal of 13821340171 is 17104312831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13821340171 - 2⁹ = 13821339659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13821347171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968865 + ... + 983026.

It is an arithmetic number, because the mean of its divisors is an integer number (1769390098).

Almost surely, 2^13821340171 is an apocalyptic number.

13821340171 is a deficient number, since it is larger than the sum of its proper divisors (333780613).

13821340171 is an equidigital number, since it uses as much as digits as its factorization.

13821340171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952061.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 13821340171 in words is "thirteen billion, eight hundred twenty-one million, three hundred forty thousand, one hundred seventy-one".