21298847606944 has 48 divisors (see below), whose sum is σ = 43625579913216. Its totient is φ = 10224745171200.

The previous prime is 21298847606857. The next prime is 21298847606983. The reversal of 21298847606944 is 44960674889212.

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, 84403987 + ... + 84655954.

It is an arithmetic number, because the mean of its divisors is an integer number (908866248192).

Almost surely, 2^{21298847606944} is an apocalyptic number.

It is an amenable number.

21298847606944 is an abundant number, since it is smaller than the sum of its proper divisors (22326732306272).

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

21298847606944 is a wasteful number, since it uses less digits than its factorization.

21298847606944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169060109 (or 169060101 counting only the distinct ones).

The product of its (nonzero) digits is 334430208, while the sum is 70.

The spelling of 21298847606944 in words is "twenty-one trillion, two hundred ninety-eight billion, eight hundred forty-seven million, six hundred six thousand, nine hundred forty-four".