9028600686169 has 9 divisors (see below), whose sum is σ = 9094442650527. Its totient is φ = 8963232067104.

The previous prime is 9028600686139. The next prime is 9028600686199. The reversal of 9028600686169 is 9616860068209.

The square root of 9028600686169 is 3004763.

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

It is an interprime number because it is at equal distance from previous prime (9028600686139) and next prime (9028600686199).

It can be written as a sum of positive squares in only one way, i.e., 1612303155225 + 7416297530944 = 1269765^2 + 2723288^2 .

It is not a de Polignac number, because 9028600686169 - 2²³ = 9028592297561 is a prime.

It is a super-2 number, since 2×9028600686169² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9028600686139) 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, 417651249 + ... + 417672865.

Almost surely, 2^{9028600686169} is an apocalyptic number.

9028600686169 is the 3004763-rd square number.

9028600686169 is the 1502382-nd centered octagonal number.

It is an amenable number.

9028600686169 is a deficient number, since it is larger than the sum of its proper divisors (65841964358).

9028600686169 is an frugal number, since it uses more digits than its factorization.

9028600686169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43512 (or 21756 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 61.

The spelling of 9028600686169 in words is "nine trillion, twenty-eight billion, six hundred million, six hundred eighty-six thousand, one hundred sixty-nine".