21733752372889 has 8 divisors (see below), whose sum is σ = 22685482144512. Its totient is φ = 20782587936000.

The previous prime is 21733752372869. The next prime is 21733752372907. The reversal of 21733752372889 is 98827325733712.

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 21733752372889 - 2⁹ = 21733752372377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21733752372859) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 141255112 + ... + 141408889.

It is an arithmetic number, because the mean of its divisors is an integer number (2835685268064).

Almost surely, 2^{21733752372889} is an apocalyptic number.

It is an amenable number.

21733752372889 is a deficient number, since it is larger than the sum of its proper divisors (951729771623).

21733752372889 is a wasteful number, since it uses less digits than its factorization.

21733752372889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282667367.

The product of its digits is 213373440, while the sum is 67.

The spelling of 21733752372889 in words is "twenty-one trillion, seven hundred thirty-three billion, seven hundred fifty-two million, three hundred seventy-two thousand, eight hundred eighty-nine".