21793683422 has 32 divisors (see below), whose sum is σ = 38096676864. Its totient is φ = 9156420000.

The previous prime is 21793683323. The next prime is 21793683437. The reversal of 21793683422 is 22438639712.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 946547 + ... + 969297.

It is an arithmetic number, because the mean of its divisors is an integer number (1190521152).

Almost surely, 2^21793683422 is an apocalyptic number.

21793683422 is a deficient number, since it is larger than the sum of its proper divisors (16302993442).

21793683422 is a wasteful number, since it uses less digits than its factorization.

21793683422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24104.

The product of its digits is 870912, while the sum is 47.

The spelling of 21793683422 in words is "twenty-one billion, seven hundred ninety-three million, six hundred eighty-three thousand, four hundred twenty-two".