13044034443021 has 16 divisors (see below), whose sum is σ = 17961889521600. Its totient is φ = 8413727171328.

The previous prime is 13044034442893. The next prime is 13044034443023. The reversal of 13044034443021 is 12034443044031.

It is not a de Polignac number, because 13044034443021 - 2⁷ = 13044034442893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13044034443023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328231036 + ... + 328270773.

It is an arithmetic number, because the mean of its divisors is an integer number (1122618095100).

Almost surely, 2^{13044034443021} is an apocalyptic number.

It is an amenable number.

13044034443021 is a deficient number, since it is larger than the sum of its proper divisors (4917855078579).

13044034443021 is a wasteful number, since it uses less digits than its factorization.

13044034443021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656502028.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 13044034443021 its reverse (12034443044031), we get a palindrome (25078477487052).

The spelling of 13044034443021 in words is "thirteen trillion, forty-four billion, thirty-four million, four hundred forty-three thousand, twenty-one".