36239594689 has 3 divisors (see below), whose sum is σ = 36239785057. Its totient is φ = 36239404322.

The previous prime is 36239594663. The next prime is 36239594723. The reversal of 36239594689 is 98649593263.

The square root of 36239594689 is 190367.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-36239594689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36239594689.

It is not an unprimeable number, because it can be changed into a prime (36239594659) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 95184 + ... + 285550.

Almost surely, 2^36239594689 is an apocalyptic number.

36239594689 is the 190367-th square number.

36239594689 is the 95184-th centered octagonal number.

It is an amenable number.

36239594689 is a deficient number, since it is larger than the sum of its proper divisors (190368).

36239594689 is an frugal number, since it uses more digits than its factorization.

36239594689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380734 (or 190367 counting only the distinct ones).

The product of its digits is 75582720, while the sum is 64.

Multiplying 36239594689 by its sum of digits (64), we get a square (2319334060096 = 1522936²).

The spelling of 36239594689 in words is "thirty-six billion, two hundred thirty-nine million, five hundred ninety-four thousand, six hundred eighty-nine".