9049989312 has 168 divisors, whose sum is σ = 31926536096. Its totient is φ = 2386796544.

The previous prime is 9049989301. The next prime is 9049989317. The reversal of 9049989312 is 2139899409.

It is a tau number, because it is divible by the number of its divisors (168).

It is not an unprimeable number, because it can be changed into a prime (9049989317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33913 + ... + 138744.

Almost surely, 2^9049989312 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 9049989312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15963268048).

9049989312 is an abundant number, since it is smaller than the sum of its proper divisors (22876546784).

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

9049989312 is a wasteful number, since it uses less digits than its factorization.

9049989312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172695 (or 172682 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The square root of 9049989312 is about 95131.4317773048. The cubic root of 9049989312 is about 2083.9278983507.

The spelling of 9049989312 in words is "nine billion, forty-nine million, nine hundred eighty-nine thousand, three hundred twelve".