13586227921 has 4 divisors (see below), whose sum is σ = 15527117632. Its totient is φ = 11645338212.

The previous prime is 13586227901. The next prime is 13586227931. The reversal of 13586227921 is 12972268531.

13586227921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13586227921 - 2¹⁵ = 13586195153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13586227901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 970444845 + ... + 970444858.

It is an arithmetic number, because the mean of its divisors is an integer number (3881779408).

Almost surely, 2^13586227921 is an apocalyptic number.

It is an amenable number.

13586227921 is a deficient number, since it is larger than the sum of its proper divisors (1940889711).

13586227921 is an equidigital number, since it uses as much as digits as its factorization.

13586227921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940889710.

The product of its digits is 362880, while the sum is 46.

The spelling of 13586227921 in words is "thirteen billion, five hundred eighty-six million, two hundred twenty-seven thousand, nine hundred twenty-one".