9745430912 has 64 divisors (see below), whose sum is σ = 22228819200. Its totient is φ = 4168978944.

The previous prime is 9745430911. The next prime is 9745430921. The reversal of 9745430912 is 2190345479.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9745430911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494789 + ... + 514107.

It is an arithmetic number, because the mean of its divisors is an integer number (347325300).

Almost surely, 2^9745430912 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 9745430912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11114409600).

9745430912 is an abundant number, since it is smaller than the sum of its proper divisors (12483388288).

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

9745430912 is a wasteful number, since it uses less digits than its factorization.

9745430912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19903 (or 19891 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 9745430912 is about 98718.9491029964. The cubic root of 9745430912 is about 2135.9955766810.

The spelling of 9745430912 in words is "nine billion, seven hundred forty-five million, four hundred thirty thousand, nine hundred twelve".