21044334341 has 8 divisors (see below), whose sum is σ = 21886686720. Its totient is φ = 20216381328.

The previous prime is 21044334331. The next prime is 21044334343. The reversal of 21044334341 is 14343344012.

It is a happy number.

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 21044334341 - 2³⁰ = 19970592517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21044334343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3596861 + ... + 3602706.

It is an arithmetic number, because the mean of its divisors is an integer number (2735835840).

Almost surely, 2^21044334341 is an apocalyptic number.

It is an amenable number.

21044334341 is a deficient number, since it is larger than the sum of its proper divisors (842352379).

21044334341 is an equidigital number, since it uses as much as digits as its factorization.

21044334341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7199683.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 21044334341 its reverse (14343344012), we get a palindrome (35387678353).

The spelling of 21044334341 in words is "twenty-one billion, forty-four million, three hundred thirty-four thousand, three hundred forty-one".