21433582892 has 12 divisors (see below), whose sum is σ = 37880144736. Its totient is φ = 10610684400.

The previous prime is 21433582889. The next prime is 21433582897. The reversal of 21433582892 is 29828533412.

It is not an unprimeable number, because it can be changed into a prime (21433582897) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 26526308 + ... + 26527115.

It is an arithmetic number, because the mean of its divisors is an integer number (3156678728).

Almost surely, 2^21433582892 is an apocalyptic number.

It is an amenable number.

21433582892 is a deficient number, since it is larger than the sum of its proper divisors (16446561844).

21433582892 is a wasteful number, since it uses less digits than its factorization.

21433582892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53053528 (or 53053526 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The spelling of 21433582892 in words is "twenty-one billion, four hundred thirty-three million, five hundred eighty-two thousand, eight hundred ninety-two".