9369724128 has 48 divisors (see below), whose sum is σ = 24601368960. Its totient is φ = 3122499456.

The previous prime is 9369724127. The next prime is 9369724141. The reversal of 9369724128 is 8214279639.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9369724127) 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, 521763 + ... + 539421.

It is an arithmetic number, because the mean of its divisors is an integer number (512528520).

Almost surely, 2^9369724128 is an apocalyptic number.

It is an amenable number.

9369724128 is an abundant number, since it is smaller than the sum of its proper divisors (15231644832).

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

9369724128 is a wasteful number, since it uses less digits than its factorization.

9369724128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23199 (or 23191 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 9369724128 is about 96797.3353352250. The cubic root of 9369724128 is about 2108.1860474522.

The spelling of 9369724128 in words is "nine billion, three hundred sixty-nine million, seven hundred twenty-four thousand, one hundred twenty-eight".