21876440838233 has 8 divisors (see below), whose sum is σ = 22582549263360. Its totient is φ = 21170358462240.

The previous prime is 21876440838229. The next prime is 21876440838253. The reversal of 21876440838233 is 33283804467812.

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 21876440838233 - 2² = 21876440838229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21876440838253) 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, 4798385 + ... + 8171742.

It is an arithmetic number, because the mean of its divisors is an integer number (2822818657920).

Almost surely, 2^{21876440838233} is an apocalyptic number.

It is an amenable number.

21876440838233 is a deficient number, since it is larger than the sum of its proper divisors (706108425127).

21876440838233 is a wasteful number, since it uses less digits than its factorization.

21876440838233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13024567.

The product of its (nonzero) digits is 37158912, while the sum is 59.

The spelling of 21876440838233 in words is "twenty-one trillion, eight hundred seventy-six billion, four hundred forty million, eight hundred thirty-eight thousand, two hundred thirty-three".