21482192756 has 12 divisors (see below), whose sum is σ = 39572460480. Its totient is φ = 10175775480.

The previous prime is 21482192707. The next prime is 21482192759. The reversal of 21482192756 is 65729128412.

It is a super-2 number, since 2×21482192756² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21482192756.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21482192759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141330140 + ... + 141330291.

It is an arithmetic number, because the mean of its divisors is an integer number (3297705040).

Almost surely, 2^21482192756 is an apocalyptic number.

It is an amenable number.

21482192756 is a deficient number, since it is larger than the sum of its proper divisors (18090267724).

21482192756 is a wasteful number, since it uses less digits than its factorization.

21482192756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282660454 (or 282660452 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The spelling of 21482192756 in words is "twenty-one billion, four hundred eighty-two million, one hundred ninety-two thousand, seven hundred fifty-six".