4438915649641 has 16 divisors (see below), whose sum is σ = 5128245777600. Its totient is φ = 3797304814080.

The previous prime is 4438915649611. The next prime is 4438915649647. The reversal of 4438915649641 is 1469465198344.

4438915649641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4438915649641 - 2³⁹ = 3889159835753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4438915649647) 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 15 ways as a sum of consecutive naturals, for example, 1159191 + ... + 3197116.

It is an arithmetic number, because the mean of its divisors is an integer number (320515361100).

Almost surely, 2^{4438915649641} is an apocalyptic number.

It is an amenable number.

4438915649641 is a deficient number, since it is larger than the sum of its proper divisors (689330127959).

4438915649641 is a wasteful number, since it uses less digits than its factorization.

4438915649641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361784.

The product of its digits is 89579520, while the sum is 64.

The spelling of 4438915649641 in words is "four trillion, four hundred thirty-eight billion, nine hundred fifteen million, six hundred forty-nine thousand, six hundred forty-one".