9436366865689 has 9 divisors (see below), whose sum is σ = 9476752090143. Its totient is φ = 9396153054792.

The previous prime is 9436366865677. The next prime is 9436366865699. The reversal of 9436366865689 is 9865686636349.

The square root of 9436366865689 is 3071867.

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., 2306890134025 + 7129476731664 = 1518845^2 + 2670108^2 .

It is not a de Polignac number, because 9436366865689 - 2¹¹ = 9436366863641 is a prime.

It is a super-3 number, since 3×9436366865689³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9436366865669) 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, 734169787 + ... + 734182639.

Almost surely, 2^{9436366865689} is an apocalyptic number.

9436366865689 is the 3071867-th square number.

9436366865689 is the 1535934-th centered octagonal number.

It is an amenable number.

9436366865689 is a deficient number, since it is larger than the sum of its proper divisors (40385224454).

9436366865689 is an frugal number, since it uses more digits than its factorization.

9436366865689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26184 (or 13092 counting only the distinct ones).

The product of its digits is 7255941120, while the sum is 79.

The spelling of 9436366865689 in words is "nine trillion, four hundred thirty-six billion, three hundred sixty-six million, eight hundred sixty-five thousand, six hundred eighty-nine".