3636934249 has 9 divisors (see below), whose sum is σ = 3939067863. Its totient is φ = 3356446392.

The previous prime is 3636934247. The next prime is 3636934303. The reversal of 3636934249 is 9424396363.

The square root of 3636934249 is 60307.

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

It can be written as a sum of positive squares in only one way, i.e., 538008025 + 3098926224 = 23195^2 + 55668^2 .

It is not a de Polignac number, because 3636934249 - 2¹ = 3636934247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3636934243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 781672 + ... + 786310.

It is an arithmetic number, because the mean of its divisors is an integer number (437674207).

Almost surely, 2^3636934249 is an apocalyptic number.

3636934249 is the 60307-th square number.

3636934249 is the 30154-th centered octagonal number.

It is an amenable number.

3636934249 is a deficient number, since it is larger than the sum of its proper divisors (302133614).

3636934249 is an frugal number, since it uses more digits than its factorization.

3636934249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9304 (or 4652 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 49.

The cubic root of 3636934249 is about 1537.8423498689.

Multiplying 3636934249 by its sum of digits (49), we get a square (178209778201 = 422149²).

The spelling of 3636934249 in words is "three billion, six hundred thirty-six million, nine hundred thirty-four thousand, two hundred forty-nine".