9398228316409 has 27 divisors (see below), whose sum is σ = 9607730656431. Its totient is φ = 9193280216400.

The previous prime is 9398228316361. The next prime is 9398228316517. The reversal of 9398228316409 is 9046138228939.

The square root of 9398228316409 is 3065653.

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., 9029706472809 + 368521843600 = 3004947^2 + 607060^2 .

It is not a de Polignac number, because 9398228316409 - 2¹⁷ = 9398228185337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9398228317409) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 39323130912 + ... + 39323131150.

Almost surely, 2^{9398228316409} is an apocalyptic number.

9398228316409 is the 3065653-rd square number.

9398228316409 is the 1532827-th centered octagonal number.

It is an amenable number.

9398228316409 is a deficient number, since it is larger than the sum of its proper divisors (209502340022).

9398228316409 is an frugal number, since it uses more digits than its factorization.

9398228316409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 64.

Multiplying 9398228316409 by its sum of digits (64), we get a square (601486612250176 = 24525224²).

The spelling of 9398228316409 in words is "nine trillion, three hundred ninety-eight billion, two hundred twenty-eight million, three hundred sixteen thousand, four hundred nine".