9491288990504 has 16 divisors (see below), whose sum is σ = 18732807218400. Its totient is φ = 4495873732272.

The previous prime is 9491288990467. The next prime is 9491288990531. The reversal of 9491288990504 is 4050998821949.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31221345212 + ... + 31221345515.

It is an arithmetic number, because the mean of its divisors is an integer number (1170800451150).

Almost surely, 2^{9491288990504} is an apocalyptic number.

It is an amenable number.

9491288990504 is a deficient number, since it is larger than the sum of its proper divisors (9241518227896).

9491288990504 is a wasteful number, since it uses less digits than its factorization.

9491288990504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62442690752 (or 62442690748 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 68.

The spelling of 9491288990504 in words is "nine trillion, four hundred ninety-one billion, two hundred eighty-eight million, nine hundred ninety thousand, five hundred four".