3636331204 has 27 divisors (see below), whose sum is σ = 6997231213. Its totient is φ = 1652274800.

The previous prime is 3636331201. The next prime is 3636331213. The reversal of 3636331204 is 4021336363.

It is a happy number.

The square root of 3636331204 is 60302.

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., 1075971204 + 2560360000 = 32802^2 + 50600^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3636331201) 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, 1325274 + ... + 1328014.

Almost surely, 2^3636331204 is an apocalyptic number.

3636331204 is the 60302-nd square number.

It is an amenable number.

3636331204 is a deficient number, since it is larger than the sum of its proper divisors (3360900009).

3636331204 is an equidigital number, since it uses as much as digits as its factorization.

3636331204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5508 (or 2754 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 31.

The cubic root of 3636331204 is about 1537.7573479287.

Adding to 3636331204 its reverse (4021336363), we get a palindrome (7657667567).

The spelling of 3636331204 in words is "three billion, six hundred thirty-six million, three hundred thirty-one thousand, two hundred four".