21833338385005 has 16 divisors (see below), whose sum is σ = 31518804286080. Its totient is φ = 14183461927872.

The previous prime is 21833338384993. The next prime is 21833338385009. The reversal of 21833338385005 is 50058383333812.

It is a cyclic number.

It is not a de Polignac number, because 21833338385005 - 2⁵ = 21833338384973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21833338385009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16416043234 + ... + 16416044563.

It is an arithmetic number, because the mean of its divisors is an integer number (1969925267880).

Almost surely, 2^{21833338385005} is an apocalyptic number.

It is an amenable number.

21833338385005 is a deficient number, since it is larger than the sum of its proper divisors (9685465901075).

21833338385005 is a wasteful number, since it uses less digits than its factorization.

21833338385005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32832087828.

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 21833338385005 in words is "twenty-one trillion, eight hundred thirty-three billion, three hundred thirty-eight million, three hundred eighty-five thousand, five".