9936700489 has 9 divisors (see below), whose sum is σ = 10066243719. Its totient is φ = 9808807200.

The previous prime is 9936700457. The next prime is 9936700493. The reversal of 9936700489 is 9840076399.

The square root of 9936700489 is 99683.

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., 16540489 + 9920160000 = 4067^2 + 99600^2 .

It is not a de Polignac number, because 9936700489 - 2⁵ = 9936700457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9936200489) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8273089 + ... + 8274289.

Almost surely, 2^9936700489 is an apocalyptic number.

9936700489 is the 99683-rd square number.

9936700489 is the 49842-nd centered octagonal number.

It is an amenable number.

9936700489 is a deficient number, since it is larger than the sum of its proper divisors (129543230).

9936700489 is an frugal number, since it uses more digits than its factorization.

9936700489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568 (or 1284 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 55.

The cubic root of 9936700489 is about 2149.8792424695.

The spelling of 9936700489 in words is "nine billion, nine hundred thirty-six million, seven hundred thousand, four hundred eighty-nine".