21983410594728 has 96 divisors (see below), whose sum is σ = 66176476273440. Its totient is φ = 6535948248960.

The previous prime is 21983410594727. The next prime is 21983410594757. The reversal of 21983410594728 is 82749501438912.

21983410594728 is a `hidden beast` number, since 2 + 1 + 9 + 8 + 3 + 4 + 10 + 594 + 7 + 28 = 666.

It is a super-2 number, since 2×21983410594728² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21983410594727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261814926 + ... + 261898877.

It is an arithmetic number, because the mean of its divisors is an integer number (689338294515).

Almost surely, 2^{21983410594728} is an apocalyptic number.

It is an amenable number.

21983410594728 is an abundant number, since it is smaller than the sum of its proper divisors (44193065678712).

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

21983410594728 is a wasteful number, since it uses less digits than its factorization.

21983410594728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523713879 (or 523713872 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 21983410594728 in words is "twenty-one trillion, nine hundred eighty-three billion, four hundred ten million, five hundred ninety-four thousand, seven hundred twenty-eight".