9149149600 has 72 divisors (see below), whose sum is σ = 22367505888. Its totient is φ = 3654393600.

The previous prime is 9149149589. The next prime is 9149149601. The reversal of 9149149600 is 69419419.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9149149601) 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 11 ways as a sum of consecutive naturals, for example, 573735 + ... + 589465.

It is an arithmetic number, because the mean of its divisors is an integer number (310659804).

Almost surely, 2^9149149600 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 9149149600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11183752944).

9149149600 is an abundant number, since it is smaller than the sum of its proper divisors (13218356288).

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

9149149600 is a wasteful number, since it uses less digits than its factorization.

9149149600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16478 (or 16465 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 9149149600 is about 95651.1871332499. The cubic root of 9149149600 is about 2091.5114331304.

The spelling of 9149149600 in words is "nine billion, one hundred forty-nine million, one hundred forty-nine thousand, six hundred".