3605633812 has 24 divisors (see below), whose sum is σ = 6977783232. Its totient is φ = 1616472000.

The previous prime is 3605633809. The next prime is 3605633813. The reversal of 3605633812 is 2183365063.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3605633813) 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 7 ways as a sum of consecutive naturals, for example, 558064 + ... + 564487.

It is an arithmetic number, because the mean of its divisors is an integer number (290740968).

Almost surely, 2^3605633812 is an apocalyptic number.

It is an amenable number.

3605633812 is a deficient number, since it is larger than the sum of its proper divisors (3372149420).

3605633812 is a wasteful number, since it uses less digits than its factorization.

3605633812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122639 (or 1122637 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 3605633812 is about 60046.9300797301. The cubic root of 3605633812 is about 1533.4179375918.

Adding to 3605633812 its reverse (2183365063), we get a palindrome (5788998875).

The spelling of 3605633812 in words is "three billion, six hundred five million, six hundred thirty-three thousand, eight hundred twelve".