9930521104 has 45 divisors (see below), whose sum is σ = 22387962447. Its totient is φ = 4254741792.

The previous prime is 9930521077. The next prime is 9930521137. The reversal of 9930521104 is 4011250399.

The square root of 9930521104 is 99652.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9930521104.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2788477 + ... + 2792035.

Almost surely, 2^9930521104 is an apocalyptic number.

9930521104 is the 99652-nd square number.

It is an amenable number.

9930521104 is an abundant number, since it is smaller than the sum of its proper divisors (12457441343).

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

9930521104 is an frugal number, since it uses more digits than its factorization.

9930521104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7140 (or 3568 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The cubic root of 9930521104 is about 2149.4334980508.

It can be divided in two parts, 99305 and 21104, that added together give a square (120409 = 347²).

The spelling of 9930521104 in words is "nine billion, nine hundred thirty million, five hundred twenty-one thousand, one hundred four".