9621805504 has 28 divisors (see below), whose sum is σ = 20098181800. Its totient is φ = 4557696768.

The previous prime is 9621805499. The next prime is 9621805577. The reversal of 9621805504 is 4055081269.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3955119 + ... + 3957550.

Almost surely, 2^9621805504 is an apocalyptic number.

It is an amenable number.

9621805504 is an abundant number, since it is smaller than the sum of its proper divisors (10476376296).

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

9621805504 is a wasteful number, since it uses less digits than its factorization.

9621805504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7912700 (or 7912690 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 9621805504 is about 98090.8023415040. The cubic root of 9621805504 is about 2126.9250747255.

The spelling of 9621805504 in words is "nine billion, six hundred twenty-one million, eight hundred five thousand, five hundred four".