3644804799 has 6 divisors (see below), whose sum is σ = 5264718056. Its totient is φ = 2429869860.

The previous prime is 3644804791. The next prime is 3644804837. The reversal of 3644804799 is 9974084463.

It is a happy number.

3644804799 is a `hidden beast` number, since 36 + 4 + 480 + 47 + 99 = 666.

It is not a de Polignac number, because 3644804799 - 2³ = 3644804791 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 (3644804791) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 202489147 + ... + 202489164.

Almost surely, 2^3644804799 is an apocalyptic number.

3644804799 is a deficient number, since it is larger than the sum of its proper divisors (1619913257).

3644804799 is a wasteful number, since it uses less digits than its factorization.

3644804799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404978317 (or 404978314 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The square root of 3644804799 is about 60372.2187682381. The cubic root of 3644804799 is about 1538.9508791717.

The spelling of 3644804799 in words is "three billion, six hundred forty-four million, eight hundred four thousand, seven hundred ninety-nine".