21441410133 has 16 divisors (see below), whose sum is σ = 33586545216. Its totient is φ = 11995194240.

The previous prime is 21441410119. The next prime is 21441410141. The reversal of 21441410133 is 33101414412.

It is not a de Polignac number, because 21441410133 - 2³⁰ = 20367668309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21441410153) 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, 24989560 + ... + 24990417.

It is an arithmetic number, because the mean of its divisors is an integer number (2099159076).

Almost surely, 2^21441410133 is an apocalyptic number.

It is an amenable number.

21441410133 is a deficient number, since it is larger than the sum of its proper divisors (12145135083).

21441410133 is a wasteful number, since it uses less digits than its factorization.

21441410133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49980004.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21441410133 its reverse (33101414412), we get a palindrome (54542824545).

The spelling of 21441410133 in words is "twenty-one billion, four hundred forty-one million, four hundred ten thousand, one hundred thirty-three".