9135336990784 has 21 divisors (see below), whose sum is σ = 18127982322957. Its totient is φ = 4567656405504.

The previous prime is 9135336990781. The next prime is 9135336990811. The reversal of 9135336990784 is 4870996335319.

The square root of 9135336990784 is 3022472.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4895032350784 + 4240304640000 = 2212472^2 + 2059200^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9135336990781) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 23990872 + ... + 24368680.

Almost surely, 2^{9135336990784} is an apocalyptic number.

9135336990784 is the 3022472-nd square number.

It is an amenable number.

9135336990784 is a deficient number, since it is larger than the sum of its proper divisors (8992645332173).

9135336990784 is an frugal number, since it uses more digits than its factorization.

9135336990784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755630 (or 377811 counting only the distinct ones).

The product of its (nonzero) digits is 132269760, while the sum is 67.

The spelling of 9135336990784 in words is "nine trillion, one hundred thirty-five billion, three hundred thirty-six million, nine hundred ninety thousand, seven hundred eighty-four".