3644749956832 has 24 divisors (see below), whose sum is σ = 7176310257816. Its totient is φ = 1822194970752.

The previous prime is 3644749956817. The next prime is 3644749956839. The reversal of 3644749956832 is 2386599474463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3644749956839) 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 3 ways as a sum of consecutive naturals, for example, 5295918 + ... + 5944429.

It is an arithmetic number, because the mean of its divisors is an integer number (299012927409).

Almost surely, 2^{3644749956832} is an apocalyptic number.

3644749956832 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3644749956832 is a deficient number, since it is larger than the sum of its proper divisors (3531560300984).

3644749956832 is a wasteful number, since it uses less digits than its factorization.

3644749956832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11250490 (or 11250482 counting only the distinct ones).

The product of its digits is 940584960, while the sum is 70.

The spelling of 3644749956832 in words is "three trillion, six hundred forty-four billion, seven hundred forty-nine million, nine hundred fifty-six thousand, eight hundred thirty-two".