21446514183048 has 16 divisors (see below), whose sum is σ = 53616285457680. Its totient is φ = 7148838061008.

The previous prime is 21446514183047. The next prime is 21446514183079. The reversal of 21446514183048 is 84038141564412.

It is not an unprimeable number, because it can be changed into a prime (21446514183047) 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, 446802378790 + ... + 446802378837.

It is an arithmetic number, because the mean of its divisors is an integer number (3351017841105).

Almost surely, 2^{21446514183048} is an apocalyptic number.

It is an amenable number.

21446514183048 is an abundant number, since it is smaller than the sum of its proper divisors (32169771274632).

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

21446514183048 is a wasteful number, since it uses less digits than its factorization.

21446514183048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893604757636 (or 893604757632 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 51.

The spelling of 21446514183048 in words is "twenty-one trillion, four hundred forty-six billion, five hundred fourteen million, one hundred eighty-three thousand, forty-eight".