21410134443 has 6 divisors (see below), whose sum is σ = 30925749764. Its totient is φ = 14273422956.

The previous prime is 21410134423. The next prime is 21410134451. The reversal of 21410134443 is 34443101412.

21410134443 is a `hidden beast` number, since 214 + 1 + 0 + 1 + 3 + 4 + 443 = 666.

It is not a de Polignac number, because 21410134443 - 2⁵ = 21410134411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21410134423) 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 5 ways as a sum of consecutive naturals, for example, 1189451905 + ... + 1189451922.

Almost surely, 2^21410134443 is an apocalyptic number.

21410134443 is a deficient number, since it is larger than the sum of its proper divisors (9515615321).

21410134443 is a wasteful number, since it uses less digits than its factorization.

21410134443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378903833 (or 2378903830 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 21410134443 its reverse (34443101412), we get a palindrome (55853235855).

The spelling of 21410134443 in words is "twenty-one billion, four hundred ten million, one hundred thirty-four thousand, four hundred forty-three".