447978013246673 has 16 divisors (see below), whose sum is σ = 560702598072960. Its totient is φ = 348436614508416.

The previous prime is 447978013246633. The next prime is 447978013246691. The reversal of 447978013246673 is 376642310879744.

It is not a de Polignac number, because 447978013246673 - 2¹⁴ = 447978013230289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 447978013246597 and 447978013246606.

It is not an unprimeable number, because it can be changed into a prime (447978013246633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41718937940 + ... + 41718948677.

It is an arithmetic number, because the mean of its divisors is an integer number (35043912379560).

Almost surely, 2^{447978013246673} is an apocalyptic number.

It is an amenable number.

447978013246673 is a deficient number, since it is larger than the sum of its proper divisors (112724584826287).

447978013246673 is a wasteful number, since it uses less digits than its factorization.

447978013246673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83437886696.

The product of its (nonzero) digits is 1024192512, while the sum is 71.

The spelling of 447978013246673 in words is "four hundred forty-seven trillion, nine hundred seventy-eight billion, thirteen million, two hundred forty-six thousand, six hundred seventy-three".