9969545530 has 64 divisors (see below), whose sum is σ = 21079636992. Its totient is φ = 3323923200.

The previous prime is 9969545513. The next prime is 9969545543. The reversal of 9969545530 is 355459699.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 506880 + ... + 526180.

It is an arithmetic number, because the mean of its divisors is an integer number (329369328).

Almost surely, 2^9969545530 is an apocalyptic number.

9969545530 is an abundant number, since it is smaller than the sum of its proper divisors (11110091462).

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

9969545530 is a wasteful number, since it uses less digits than its factorization.

9969545530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19519.

The product of its (nonzero) digits is 6561000, while the sum is 55.

The square root of 9969545530 is about 99847.6115387844. The cubic root of 9969545530 is about 2152.2453938425.

The spelling of 9969545530 in words is "nine billion, nine hundred sixty-nine million, five hundred forty-five thousand, five hundred thirty".