21444055413033 has 8 divisors (see below), whose sum is σ = 31191353328096. Its totient is φ = 12996397220000.

The previous prime is 21444055412993. The next prime is 21444055413041. The reversal of 21444055413033 is 33031455044412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21444055413033 - 2¹⁴ = 21444055396649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21444055412982 and 21444055413000.

It is not an unprimeable number, because it can be changed into a prime (21444055413133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324909930468 + ... + 324909930533.

It is an arithmetic number, because the mean of its divisors is an integer number (3898919166012).

Almost surely, 2^{21444055413033} is an apocalyptic number.

It is an amenable number.

21444055413033 is a deficient number, since it is larger than the sum of its proper divisors (9747297915063).

21444055413033 is a wasteful number, since it uses less digits than its factorization.

21444055413033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649819861015.

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 21444055413033 in words is "twenty-one trillion, four hundred forty-four billion, fifty-five million, four hundred thirteen thousand, thirty-three".