13444302224421 has 8 divisors (see below), whose sum is σ = 19917484776960. Its totient is φ = 8962868149596.

The previous prime is 13444302224401. The next prime is 13444302224449. The reversal of 13444302224421 is 12442220344431.

13444302224421 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 4 + 3 + 0 + 2 + 224 + 421 = 666.

It is not a de Polignac number, because 13444302224421 - 2⁶ = 13444302224357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444302224401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248968559685 + ... + 248968559738.

It is an arithmetic number, because the mean of its divisors is an integer number (2489685597120).

Almost surely, 2^{13444302224421} is an apocalyptic number.

It is an amenable number.

13444302224421 is a deficient number, since it is larger than the sum of its proper divisors (6473182552539).

13444302224421 is an equidigital number, since it uses as much as digits as its factorization.

13444302224421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497937119432 (or 497937119426 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 13444302224421 its reverse (12442220344431), we get a palindrome (25886522568852).

The spelling of 13444302224421 in words is "thirteen trillion, four hundred forty-four billion, three hundred two million, two hundred twenty-four thousand, four hundred twenty-one".