3644534366 has 16 divisors (see below), whose sum is σ = 5965414128. Its totient is φ = 1656153600.

The previous prime is 3644534323. The next prime is 3644534393. The reversal of 3644534366 is 6634354463.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67646 + ... + 108926.

It is an arithmetic number, because the mean of its divisors is an integer number (372838383).

Almost surely, 2^3644534366 is an apocalyptic number.

3644534366 is a deficient number, since it is larger than the sum of its proper divisors (2320879762).

3644534366 is a wasteful number, since it uses less digits than its factorization.

3644534366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45307.

The product of its digits is 1866240, while the sum is 44.

The square root of 3644534366 is about 60369.9790127510. The cubic root of 3644534366 is about 1538.9128164661.

The spelling of 3644534366 in words is "three billion, six hundred forty-four million, five hundred thirty-four thousand, three hundred sixty-six".