13721805059 has 4 divisors (see below), whose sum is σ = 13724388216. Its totient is φ = 13719221904.

The previous prime is 13721805047. The next prime is 13721805061. The reversal of 13721805059 is 95050812731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13721805059 - 2²⁸ = 13453369603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13721805029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283594 + ... + 1294239.

It is an arithmetic number, because the mean of its divisors is an integer number (3431097054).

Almost surely, 2^13721805059 is an apocalyptic number.

13721805059 is a deficient number, since it is larger than the sum of its proper divisors (2583157).

13721805059 is an equidigital number, since it uses as much as digits as its factorization.

13721805059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583156.

The product of its (nonzero) digits is 75600, while the sum is 41.

The spelling of 13721805059 in words is "thirteen billion, seven hundred twenty-one million, eight hundred five thousand, fifty-nine".