13441400321 has 4 divisors (see below), whose sum is σ = 13446688512. Its totient is φ = 13436112132.

The previous prime is 13441400311. The next prime is 13441400359. The reversal of 13441400321 is 12300414431.

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 13441400321 - 2⁶ = 13441400257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13441400311) 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, 2640281 + ... + 2645366.

It is an arithmetic number, because the mean of its divisors is an integer number (3361672128).

Almost surely, 2^13441400321 is an apocalyptic number.

It is an amenable number.

13441400321 is a deficient number, since it is larger than the sum of its proper divisors (5288191).

13441400321 is an equidigital number, since it uses as much as digits as its factorization.

13441400321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5288190.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13441400321 its reverse (12300414431), we get a palindrome (25741814752).

The spelling of 13441400321 in words is "thirteen billion, four hundred forty-one million, four hundred thousand, three hundred twenty-one".