21833794288317 has 32 divisors (see below), whose sum is σ = 32003304385536. Its totient is φ = 13130511638400.

The previous prime is 21833794288309. The next prime is 21833794288363. The reversal of 21833794288317 is 71388249733812.

It is not a de Polignac number, because 21833794288317 - 2³ = 21833794288309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21833794288417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54065448 + ... + 54467790.

It is an arithmetic number, because the mean of its divisors is an integer number (1000103262048).

Almost surely, 2^{21833794288317} is an apocalyptic number.

It is an amenable number.

21833794288317 is a deficient number, since it is larger than the sum of its proper divisors (10169510097219).

21833794288317 is a wasteful number, since it uses less digits than its factorization.

21833794288317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415041.

The product of its digits is 97542144, while the sum is 66.

The spelling of 21833794288317 in words is "twenty-one trillion, eight hundred thirty-three billion, seven hundred ninety-four million, two hundred eighty-eight thousand, three hundred seventeen".