21441441444214 has 8 divisors (see below), whose sum is σ = 35085995090568. Its totient is φ = 9746109747360.

The previous prime is 21441441444193. The next prime is 21441441444221. The reversal of 21441441444214 is 41244414414412.

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

It is a super-2 number, since 2×21441441444214² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487305487347 + ... + 487305487390.

It is an arithmetic number, because the mean of its divisors is an integer number (4385749386321).

Almost surely, 2^{21441441444214} is an apocalyptic number.

21441441444214 is a deficient number, since it is larger than the sum of its proper divisors (13644553646354).

21441441444214 is a wasteful number, since it uses less digits than its factorization.

21441441444214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974610974750.

The product of its digits is 262144, while the sum is 40.

Adding to 21441441444214 its reverse (41244414414412), we get a palindrome (62685855858626).

The spelling of 21441441444214 in words is "twenty-one trillion, four hundred forty-one billion, four hundred forty-one million, four hundred forty-four thousand, two hundred fourteen".