21828685880035 has 4 divisors (see below), whose sum is σ = 26194423056048. Its totient is φ = 17462948704024.

The previous prime is 21828685879993. The next prime is 21828685880063. The reversal of 21828685880035 is 53008858682812.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21828685880035 - 2²¹ = 21828683782883 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2182868587999 + ... + 2182868588008.

It is an arithmetic number, because the mean of its divisors is an integer number (6548605764012).

Almost surely, 2^{21828685880035} is an apocalyptic number.

21828685880035 is a deficient number, since it is larger than the sum of its proper divisors (4365737176013).

21828685880035 is an equidigital number, since it uses as much as digits as its factorization.

21828685880035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4365737176012.

The product of its (nonzero) digits is 58982400, while the sum is 64.

The spelling of 21828685880035 in words is "twenty-one trillion, eight hundred twenty-eight billion, six hundred eighty-five million, eight hundred eighty thousand, thirty-five".