21835966084 has 24 divisors (see below), whose sum is σ = 38885970816. Its totient is φ = 10727340000.

The previous prime is 21835966039. The next prime is 21835966109. The reversal of 21835966084 is 48066953812.

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, 153372 + ... + 259219.

It is an arithmetic number, because the mean of its divisors is an integer number (1620248784).

Almost surely, 2^21835966084 is an apocalyptic number.

It is an amenable number.

21835966084 is a deficient number, since it is larger than the sum of its proper divisors (17050004732).

21835966084 is a wasteful number, since it uses less digits than its factorization.

21835966084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412827 (or 412825 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 21835966084 in words is "twenty-one billion, eight hundred thirty-five million, nine hundred sixty-six thousand, eighty-four".