13821892085 has 8 divisors (see below), whose sum is σ = 16586906496. Its totient is φ = 11057089680.

The previous prime is 13821892039. The next prime is 13821892141. The reversal of 13821892085 is 58029812831.

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

It is not a de Polignac number, because 13821892085 - 2¹⁴ = 13821875701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201800 + ... + 261470.

It is an arithmetic number, because the mean of its divisors is an integer number (2073363312).

Almost surely, 2^13821892085 is an apocalyptic number.

It is an amenable number.

13821892085 is a deficient number, since it is larger than the sum of its proper divisors (2765014411).

13821892085 is an equidigital number, since it uses as much as digits as its factorization.

13821892085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106003.

The product of its (nonzero) digits is 276480, while the sum is 47.

The spelling of 13821892085 in words is "thirteen billion, eight hundred twenty-one million, eight hundred ninety-two thousand, eighty-five".