21833523388705 has 16 divisors (see below), whose sum is σ = 30508082279424. Its totient is φ = 14689076650560.

The previous prime is 21833523388693. The next prime is 21833523388753. The reversal of 21833523388705 is 50788332533812.

It is not a de Polignac number, because 21833523388705 - 2⁵ = 21833523388673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21833523388705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5885044881 + ... + 5885048590.

It is an arithmetic number, because the mean of its divisors is an integer number (1906755142464).

Almost surely, 2^{21833523388705} is an apocalyptic number.

It is an amenable number.

21833523388705 is a deficient number, since it is larger than the sum of its proper divisors (8674558890719).

21833523388705 is a wasteful number, since it uses less digits than its factorization.

21833523388705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11770093536.

The product of its (nonzero) digits is 29030400, while the sum is 58.

The spelling of 21833523388705 in words is "twenty-one trillion, eight hundred thirty-three billion, five hundred twenty-three million, three hundred eighty-eight thousand, seven hundred five".