9745471488 has 192 divisors, whose sum is σ = 28241740800. Its totient is φ = 2977136640.

The previous prime is 9745471471. The next prime is 9745471529. The reversal of 9745471488 is 8841745479.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3617470 + ... + 3620162.

It is an arithmetic number, because the mean of its divisors is an integer number (147092400).

Almost surely, 2^9745471488 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 9745471488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14120870400).

9745471488 is an abundant number, since it is smaller than the sum of its proper divisors (18496269312).

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

9745471488 is a wasteful number, since it uses less digits than its factorization.

9745471488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768 (or 2748 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 57.

The square root of 9745471488 is about 98719.1546155051. The cubic root of 9745471488 is about 2135.9985411484.

The spelling of 9745471488 in words is "nine billion, seven hundred forty-five million, four hundred seventy-one thousand, four hundred eighty-eight".