9129419712 has 448 divisors, whose sum is σ = 31878016000. Its totient is φ = 2560481280.

The previous prime is 9129419707. The next prime is 9129419771. The reversal of 9129419712 is 2179149219.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 43267287 + ... + 43267497.

Almost surely, 2^9129419712 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 9129419712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15939008000).

9129419712 is an abundant number, since it is smaller than the sum of its proper divisors (22748596288).

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

9129419712 is a wasteful number, since it uses less digits than its factorization.

9129419712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 296 counting only the distinct ones).

The product of its digits is 81648, while the sum is 45.

The square root of 9129419712 is about 95547.9969020806. The cubic root of 9129419712 is about 2090.0069222850.

The spelling of 9129419712 in words is "nine billion, one hundred twenty-nine million, four hundred nineteen thousand, seven hundred twelve".