9397945249 has 27 divisors (see below), whose sum is σ = 12026051121. Its totient is φ = 7317257640.

The previous prime is 9397945237. The next prime is 9397945267. The reversal of 9397945249 is 9425497939.

The square root of 9397945249 is 96943.

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

It is not a de Polignac number, because 9397945249 - 2⁵ = 9397945217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9397945279) 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, 7463982 + ... + 7465240.

Almost surely, 2^9397945249 is an apocalyptic number.

9397945249 is the 96943-rd square number.

9397945249 is the 48472-nd centered octagonal number.

It is an amenable number.

9397945249 is a deficient number, since it is larger than the sum of its proper divisors (2628105872).

9397945249 is an equidigital number, since it uses as much as digits as its factorization.

9397945249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554 (or 1277 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 61.

The cubic root of 9397945249 is about 2110.3005081753.

The spelling of 9397945249 in words is "nine billion, three hundred ninety-seven million, nine hundred forty-five thousand, two hundred forty-nine".