9409328712 has 160 divisors (see below), whose sum is σ = 30688891200. Its totient is φ = 2637588096.

The previous prime is 9409328639. The next prime is 9409328729. The reversal of 9409328712 is 2178239049.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 220839 + ... + 259977.

It is an arithmetic number, because the mean of its divisors is an integer number (191805570).

Almost surely, 2^9409328712 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 9409328712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15344445600).

9409328712 is an abundant number, since it is smaller than the sum of its proper divisors (21279562488).

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

9409328712 is a wasteful number, since it uses less digits than its factorization.

9409328712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39217 (or 39204 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 9409328712 is about 97001.6943769541. The cubic root of 9409328712 is about 2111.1522133218.

The spelling of 9409328712 in words is "nine billion, four hundred nine million, three hundred twenty-eight thousand, seven hundred twelve".