21484087108 has 48 divisors (see below), whose sum is σ = 42430832640. Its totient is φ = 9429789600.

The previous prime is 21484087091. The next prime is 21484087117. The reversal of 21484087108 is 80178048412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614523 + ... + 648541.

It is an arithmetic number, because the mean of its divisors is an integer number (883975680).

Almost surely, 2^21484087108 is an apocalyptic number.

It is an amenable number.

21484087108 is a deficient number, since it is larger than the sum of its proper divisors (20946745532).

21484087108 is a wasteful number, since it uses less digits than its factorization.

21484087108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34528 (or 34526 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 43.

The spelling of 21484087108 in words is "twenty-one billion, four hundred eighty-four million, eighty-seven thousand, one hundred eight".