21643073592882 has 16 divisors (see below), whose sum is σ = 49469882498112. Its totient is φ = 6183735312240.

The previous prime is 21643073592841. The next prime is 21643073592977. The reversal of 21643073592882 is 28829537034612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257655637969 + ... + 257655638052.

It is an arithmetic number, because the mean of its divisors is an integer number (3091867656132).

It is a 1-persistent number, because it is pandigital, but 2⋅21643073592882 = 43286147185764 is not.

Almost surely, 2^{21643073592882} is an apocalyptic number.

21643073592882 is an abundant number, since it is smaller than the sum of its proper divisors (27826808905230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21643073592882 is a wasteful number, since it uses less digits than its factorization.

21643073592882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515311276033.

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 21643073592882 in words is "twenty-one trillion, six hundred forty-three billion, seventy-three million, five hundred ninety-two thousand, eight hundred eighty-two".