21332001022989 has 8 divisors (see below), whose sum is σ = 28468738308192. Its totient is φ = 14208298876560.

The previous prime is 21332001022987. The next prime is 21332001023009. The reversal of 21332001022989 is 98922010023312.

It is a happy number.

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

It is not a de Polignac number, because 21332001022989 - 2¹ = 21332001022987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21332001022989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332001022987) 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, 3258780874 + ... + 3258787419.

It is an arithmetic number, because the mean of its divisors is an integer number (3558592288524).

Almost surely, 2^{21332001022989} is an apocalyptic number.

It is an amenable number.

21332001022989 is a deficient number, since it is larger than the sum of its proper divisors (7136737285203).

21332001022989 is a wasteful number, since it uses less digits than its factorization.

21332001022989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6517569387.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 21332001022989 in words is "twenty-one trillion, three hundred thirty-two billion, one million, twenty-two thousand, nine hundred eighty-nine".