21653041013422 has 48 divisors (see below), whose sum is σ = 40243448525472. Its totient is φ = 8555603771520.

The previous prime is 21653041013389. The next prime is 21653041013447. The reversal of 21653041013422 is 22431014035612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3631053 + ... + 7516024.

It is an arithmetic number, because the mean of its divisors is an integer number (838405177614).

Almost surely, 2^{21653041013422} is an apocalyptic number.

21653041013422 is a deficient number, since it is larger than the sum of its proper divisors (18590407512050).

21653041013422 is a wasteful number, since it uses less digits than its factorization.

21653041013422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11147933 (or 11147920 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 21653041013422 in words is "twenty-one trillion, six hundred fifty-three billion, forty-one million, thirteen thousand, four hundred twenty-two".