13411421321 has 4 divisors (see below), whose sum is σ = 13411721472. Its totient is φ = 13411121172.

The previous prime is 13411421297. The next prime is 13411421327. The reversal of 13411421321 is 12312411431.

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 a de Polignac number, because none of the positive numbers 2^k-13411421321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13411421327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68141 + ... + 177386.

It is an arithmetic number, because the mean of its divisors is an integer number (3352930368).

Almost surely, 2^13411421321 is an apocalyptic number.

It is an amenable number.

13411421321 is a deficient number, since it is larger than the sum of its proper divisors (300151).

13411421321 is an equidigital number, since it uses as much as digits as its factorization.

13411421321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300150.

The product of its digits is 576, while the sum is 23.

Adding to 13411421321 its reverse (12312411431), we get a palindrome (25723832752).

The spelling of 13411421321 in words is "thirteen billion, four hundred eleven million, four hundred twenty-one thousand, three hundred twenty-one".