36000036000009 has 15 divisors (see below), whose sum is σ = 53777912222397. Its totient is φ = 23999987999988.

The previous prime is 36000035999989. The next prime is 36000036000031. The reversal of 36000036000009 is 90000063000063.

The square root of 36000036000009 is 6000003.

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

It is not a de Polignac number, because 36000036000009 - 2²⁷ = 35999901782281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (36000036000079) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 53666694 + ... + 54333360.

Almost surely, 2^{36000036000009} is an apocalyptic number.

36000036000009 is the 6000003-rd square number.

36000036000009 is the 3000002-nd centered octagonal number.

It is an amenable number.

36000036000009 is a deficient number, since it is larger than the sum of its proper divisors (17777876222388).

36000036000009 is an frugal number, since it uses more digits than its factorization.

36000036000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333346 (or 666670 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The spelling of 36000036000009 in words is "thirty-six trillion, thirty-six million, nine", and thus it is an aban number and an uban number.