447373394173 has 8 divisors (see below), whose sum is σ = 449941430456. Its totient is φ = 444807936000.

The previous prime is 447373394131. The next prime is 447373394227. The reversal of 447373394173 is 371493373744.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4939559524 + 442433834649 = 70282^2 + 665157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 447373394173 - 2¹³ = 447373385981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447373314173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295938 + ... + 991123.

It is an arithmetic number, because the mean of its divisors is an integer number (56242678807).

Almost surely, 2^447373394173 is an apocalyptic number.

It is an amenable number.

447373394173 is a deficient number, since it is larger than the sum of its proper divisors (2568036283).

447373394173 is a wasteful number, since it uses less digits than its factorization.

447373394173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289055.

The product of its digits is 16003008, while the sum is 55.

The spelling of 447373394173 in words is "four hundred forty-seven billion, three hundred seventy-three million, three hundred ninety-four thousand, one hundred seventy-three".