3643344446 has 16 divisors (see below), whose sum is σ = 6249225600. Its totient is φ = 1560560280.

The previous prime is 3643344437. The next prime is 3643344491. The reversal of 3643344446 is 6444433463.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46496 + ... + 97203.

It is an arithmetic number, because the mean of its divisors is an integer number (390576600).

Almost surely, 2^3643344446 is an apocalyptic number.

3643344446 is a deficient number, since it is larger than the sum of its proper divisors (2605881154).

3643344446 is a wasteful number, since it uses less digits than its factorization.

3643344446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145519.

The product of its digits is 995328, while the sum is 41.

The square root of 3643344446 is about 60360.1229786686. The cubic root of 3643344446 is about 1538.7453161051.

The spelling of 3643344446 in words is "three billion, six hundred forty-three million, three hundred forty-four thousand, four hundred forty-six".