13044241333421 has 4 divisors (see below), whose sum is σ = 13045152194844. Its totient is φ = 13043330472000.

The previous prime is 13044241333379. The next prime is 13044241333429. The reversal of 13044241333421 is 12433314244031.

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 2920937355625 + 10123303977796 = 1709075^2 + 3181714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13044241333421 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 (13044241333429) 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, 455409230 + ... + 455437871.

It is an arithmetic number, because the mean of its divisors is an integer number (3261288048711).

Almost surely, 2^{13044241333421} is an apocalyptic number.

It is an amenable number.

13044241333421 is a deficient number, since it is larger than the sum of its proper divisors (910861423).

13044241333421 is an equidigital number, since it uses as much as digits as its factorization.

13044241333421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910861422.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 13044241333421 its reverse (12433314244031), we get a palindrome (25477555577452).

The spelling of 13044241333421 in words is "thirteen trillion, forty-four billion, two hundred forty-one million, three hundred thirty-three thousand, four hundred twenty-one".