36144473689 has 9 divisors (see below), whose sum is σ = 37055539261. Its totient is φ = 35255296480.

The previous prime is 36144473683. The next prime is 36144473693. The reversal of 36144473689 is 98637444163.

The square root of 36144473689 is 190117.

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

It can be written as a sum of positive squares in 4 ways, for example, as 19475598025 + 16668875664 = 139555^2 + 129108^2 .

It is not a de Polignac number, because 36144473689 - 2²⁷ = 36010255961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36144473683) 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, 7792479 + ... + 7797115.

Almost surely, 2^36144473689 is an apocalyptic number.

36144473689 is the 190117-th square number.

36144473689 is the 95059-th centered octagonal number.

It is an amenable number.

36144473689 is a deficient number, since it is larger than the sum of its proper divisors (911065572).

36144473689 is an frugal number, since it uses more digits than its factorization.

36144473689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9356 (or 4678 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 55.

The spelling of 36144473689 in words is "thirty-six billion, one hundred forty-four million, four hundred seventy-three thousand, six hundred eighty-nine".