3644133679756 has 24 divisors (see below), whose sum is σ = 6656274957024. Its totient is φ = 1742382977280.

The previous prime is 3644133679751. The next prime is 3644133679763. The reversal of 3644133679756 is 6579763314463.

It is not an unprimeable number, because it can be changed into a prime (3644133679751) by changing a digit.

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, 4919895 + ... + 5611918.

It is an arithmetic number, because the mean of its divisors is an integer number (277344789876).

Almost surely, 2^{3644133679756} is an apocalyptic number.

It is an amenable number.

3644133679756 is a deficient number, since it is larger than the sum of its proper divisors (3012141277268).

3644133679756 is a wasteful number, since it uses less digits than its factorization.

3644133679756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10535601 (or 10535599 counting only the distinct ones).

The product of its digits is 205752960, while the sum is 64.

The spelling of 3644133679756 in words is "three trillion, six hundred forty-four billion, one hundred thirty-three million, six hundred seventy-nine thousand, seven hundred fifty-six".