447331342634666 has 16 divisors (see below), whose sum is σ = 767034039227904. Its totient is φ = 191668355308464.

The previous prime is 447331342634663. The next prime is 447331342634779. The reversal of 447331342634666 is 666436243133744.

It is a junction number, because it is equal to n+sod(n) for n = 447331342634599 and 447331342634608.

It is not an unprimeable number, because it can be changed into a prime (447331342634663) 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, 3756375770 + ... + 3756494853.

It is an arithmetic number, because the mean of its divisors is an integer number (47939627451744).

Almost surely, 2^{447331342634666} is an apocalyptic number.

447331342634666 is a deficient number, since it is larger than the sum of its proper divisors (319702696593238).

447331342634666 is a wasteful number, since it uses less digits than its factorization.

447331342634666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7512874885.

The product of its digits is 376233984, while the sum is 62.

The spelling of 447331342634666 in words is "four hundred forty-seven trillion, three hundred thirty-one billion, three hundred forty-two million, six hundred thirty-four thousand, six hundred sixty-six".