447409138712 has 16 divisors (see below), whose sum is σ = 838900023360. Its totient is φ = 223702465824.

The previous prime is 447409138711. The next prime is 447409138723. The reversal of 447409138712 is 217831904744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447409138711) 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, 995033 + ... + 1372919.

It is an arithmetic number, because the mean of its divisors is an integer number (52431251460).

Almost surely, 2^447409138712 is an apocalyptic number.

It is an amenable number.

447409138712 is a deficient number, since it is larger than the sum of its proper divisors (391490884648).

447409138712 is a wasteful number, since it uses less digits than its factorization.

447409138712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525890 (or 525886 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 447409138712 in words is "four hundred forty-seven billion, four hundred nine million, one hundred thirty-eight thousand, seven hundred twelve".