9969144760575 has 768 divisors, whose sum is σ = 24966935347200. Its totient is φ = 3766034995200.

The previous prime is 9969144760537. The next prime is 9969144760607. The reversal of 9969144760575 is 5750674419699.

It is a happy number.

9969144760575 is a `hidden beast` number, since 9 + 9 + 6 + 9 + 1 + 4 + 4 + 7 + 605 + 7 + 5 = 666.

9969144760575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9969144760575 - 2⁷ = 9969144760447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 767 ways as a sum of consecutive naturals, for example, 16423631922 + ... + 16423632528.

It is an arithmetic number, because the mean of its divisors is an integer number (32509030400).

Almost surely, 2^{9969144760575} is an apocalyptic number.

9969144760575 is an abundant number, since it is smaller than the sum of its proper divisors (14997790586625).

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

9969144760575 is a wasteful number, since it uses less digits than its factorization.

9969144760575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 514382400, while the sum is 72.

The spelling of 9969144760575 in words is "nine trillion, nine hundred sixty-nine billion, one hundred forty-four million, seven hundred sixty thousand, five hundred seventy-five".