447321143670622 has 16 divisors (see below), whose sum is σ = 722596461727392. Its totient is φ = 206455693004640.

The previous prime is 447321143670607. The next prime is 447321143670641. The reversal of 447321143670622 is 226076341123744.

It is a self number, because there is not a number n which added to its sum of digits gives 447321143670622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17219968 + ... + 34513324.

It is an arithmetic number, because the mean of its divisors is an integer number (45162278857962).

Almost surely, 2^{447321143670622} is an apocalyptic number.

447321143670622 is a deficient number, since it is larger than the sum of its proper divisors (275275318056770).

447321143670622 is a wasteful number, since it uses less digits than its factorization.

447321143670622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18288243.

The product of its (nonzero) digits is 8128512, while the sum is 52.

The spelling of 447321143670622 in words is "four hundred forty-seven trillion, three hundred twenty-one billion, one hundred forty-three million, six hundred seventy thousand, six hundred twenty-two".