9491494956 has 24 divisors (see below), whose sum is σ = 22153306560. Its totient is φ = 3162905232.

The previous prime is 9491494949. The next prime is 9491494997. The reversal of 9491494956 is 6594941949.

9491494956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 9491494956.

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, 72466 + ... + 155673.

It is an arithmetic number, because the mean of its divisors is an integer number (923054440).

Almost surely, 2^9491494956 is an apocalyptic number.

It is an amenable number.

9491494956 is an abundant number, since it is smaller than the sum of its proper divisors (12661811604).

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

9491494956 is a wasteful number, since it uses less digits than its factorization.

9491494956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231613 (or 231611 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 60.

The square root of 9491494956 is about 97424.3037234550. The cubic root of 9491494956 is about 2117.2795706846.

The spelling of 9491494956 in words is "nine billion, four hundred ninety-one million, four hundred ninety-four thousand, nine hundred fifty-six".