21843024361 has 8 divisors (see below), whose sum is σ = 21910383360. Its totient is φ = 21775702272.

The previous prime is 21843024349. The next prime is 21843024389. The reversal of 21843024361 is 16342034812.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21843024361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21843024391) 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, 1595401 + ... + 1609033.

It is an arithmetic number, because the mean of its divisors is an integer number (2738797920).

Almost surely, 2^21843024361 is an apocalyptic number.

It is an amenable number.

21843024361 is a deficient number, since it is larger than the sum of its proper divisors (67358999).

21843024361 is a wasteful number, since it uses less digits than its factorization.

21843024361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18455.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 21843024361 in words is "twenty-one billion, eight hundred forty-three million, twenty-four thousand, three hundred sixty-one".