21344000241 has 8 divisors (see below), whose sum is σ = 28481941440. Its totient is φ = 14217696272.

The previous prime is 21344000239. The next prime is 21344000273. The reversal of 21344000241 is 14200044312.

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 21344000241 - 2¹ = 21344000239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21344000201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2905026 + ... + 2912363.

It is an arithmetic number, because the mean of its divisors is an integer number (3560242680).

Almost surely, 2^21344000241 is an apocalyptic number.

It is an amenable number.

21344000241 is a deficient number, since it is larger than the sum of its proper divisors (7137941199).

21344000241 is a wasteful number, since it uses less digits than its factorization.

21344000241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5818615.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 21344000241 its reverse (14200044312), we get a palindrome (35544044553).

The spelling of 21344000241 in words is "twenty-one billion, three hundred forty-four million, two hundred forty-one", and thus it is an aban number.