21084303048 has 64 divisors (see below), whose sum is σ = 55100006400. Its totient is φ = 6715275840.

The previous prime is 21084303041. The next prime is 21084303061. The reversal of 21084303048 is 84030348012.

It is not an unprimeable number, because it can be changed into a prime (21084303041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120586 + ... + 238137.

It is an arithmetic number, because the mean of its divisors is an integer number (860937600).

Almost surely, 2^21084303048 is an apocalyptic number.

It is an amenable number.

21084303048 is an abundant number, since it is smaller than the sum of its proper divisors (34015703352).

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

21084303048 is a wasteful number, since it uses less digits than its factorization.

21084303048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358842 (or 358838 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 21084303048 in words is "twenty-one billion, eighty-four million, three hundred three thousand, forty-eight".