9969509000 has 128 divisors (see below), whose sum is σ = 26789443200. Its totient is φ = 3434400000.

The previous prime is 9969508973. The next prime is 9969509003. The reversal of 9969509000 is 9059699.

It is a super-2 number, since 2×9969509000² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9969509003) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 185150 + ... + 232850.

It is an arithmetic number, because the mean of its divisors is an integer number (209292525).

Almost surely, 2^9969509000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9969509000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13394721600).

9969509000 is an abundant number, since it is smaller than the sum of its proper divisors (16819934200).

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

9969509000 is a wasteful number, since it uses less digits than its factorization.

9969509000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47752 (or 47738 counting only the distinct ones).

The product of its (nonzero) digits is 196830, while the sum is 47.

The square root of 9969509000 is about 99847.4286098545. The cubic root of 9969509000 is about 2152.2427651162.

The spelling of 9969509000 in words is "nine billion, nine hundred sixty-nine million, five hundred nine thousand".