491472349584 has 40 divisors (see below), whose sum is σ = 1273719375552. Its totient is φ = 163297345920.

The previous prime is 491472349579. The next prime is 491472349673. The reversal of 491472349584 is 485943274194.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16446499 + ... + 16476354.

Almost surely, 2^491472349584 is an apocalyptic number.

It is an amenable number.

491472349584 is an abundant number, since it is smaller than the sum of its proper divisors (782247025968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

491472349584 is a wasteful number, since it uses less digits than its factorization.

491472349584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32923175 (or 32923169 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 60.

The spelling of 491472349584 in words is "four hundred ninety-one billion, four hundred seventy-two million, three hundred forty-nine thousand, five hundred eighty-four".