447399349922 has 18 divisors (see below), whose sum is σ = 780677766747. Its totient is φ = 191739740724.

The previous prime is 447399349909. The next prime is 447399349931. The reversal of 447399349922 is 229943993744.

It can be written as a sum of positive squares in only one way, i.e., 223699674961 + 223699674961 = 472969^2 + 472969^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=472969.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6587783 + ... + 6655349.

Almost surely, 2^447399349922 is an apocalyptic number.

447399349922 is a deficient number, since it is larger than the sum of its proper divisors (333278416825).

447399349922 is an frugal number, since it uses more digits than its factorization.

447399349922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135150 (or 67576 counting only the distinct ones).

The product of its digits is 105815808, while the sum is 65.

The spelling of 447399349922 in words is "four hundred forty-seven billion, three hundred ninety-nine million, three hundred forty-nine thousand, nine hundred twenty-two".