36221674789 has 4 divisors (see below), whose sum is σ = 36233224524. Its totient is φ = 36210125056.

The previous prime is 36221674777. The next prime is 36221674837. The reversal of 36221674789 is 98747612263.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34163237889 + 2058436900 = 184833^2 + 45370^2 .

It is a cyclic number.

It is not a de Polignac number, because 36221674789 - 2¹⁹ = 36221150501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36221674739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5770162 + ... + 5776435.

It is an arithmetic number, because the mean of its divisors is an integer number (9058306131).

Almost surely, 2^36221674789 is an apocalyptic number.

It is an amenable number.

36221674789 is a deficient number, since it is larger than the sum of its proper divisors (11549735).

36221674789 is a wasteful number, since it uses less digits than its factorization.

36221674789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11549734.

The product of its digits is 6096384, while the sum is 55.

The spelling of 36221674789 in words is "thirty-six billion, two hundred twenty-one million, six hundred seventy-four thousand, seven hundred eighty-nine".