13441324540421 has 4 divisors (see below), whose sum is σ = 13804603582092. Its totient is φ = 13078045498752.

The previous prime is 13441324540403. The next prime is 13441324540477. The reversal of 13441324540421 is 12404542314431.

13441324540421 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.

It can be written as a sum of positive squares in 2 ways, for example, as 12081567981025 + 1359756559396 = 3475855^2 + 1166086^2 .

It is a cyclic number.

It is not a de Polignac number, because 13441324540421 - 2³⁸ = 13166446633477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13441324540481) 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, 181639520780 + ... + 181639520853.

It is an arithmetic number, because the mean of its divisors is an integer number (3451150895523).

Almost surely, 2^{13441324540421} is an apocalyptic number.

It is an amenable number.

13441324540421 is a deficient number, since it is larger than the sum of its proper divisors (363279041671).

13441324540421 is an equidigital number, since it uses as much as digits as its factorization.

13441324540421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363279041670.

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 13441324540421 its reverse (12404542314431), we get a palindrome (25845866854852).

The spelling of 13441324540421 in words is "thirteen trillion, four hundred forty-one billion, three hundred twenty-four million, five hundred forty thousand, four hundred twenty-one".