21827330333 has 8 divisors (see below), whose sum is σ = 22030694400. Its totient is φ = 21624023088.

The previous prime is 21827330279. The next prime is 21827330381. The reversal of 21827330333 is 33303372812.

It is a happy number.

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 21827330333 - 2¹⁰ = 21827329309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21827330293 and 21827330302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21827330383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1534508 + ... + 1548666.

It is an arithmetic number, because the mean of its divisors is an integer number (2753836800).

Almost surely, 2^21827330333 is an apocalyptic number.

It is an amenable number.

21827330333 is a deficient number, since it is larger than the sum of its proper divisors (203364067).

21827330333 is a wasteful number, since it uses less digits than its factorization.

21827330333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28411.

The product of its (nonzero) digits is 54432, while the sum is 35.

The spelling of 21827330333 in words is "twenty-one billion, eight hundred twenty-seven million, three hundred thirty thousand, three hundred thirty-three".