9549442064 has 40 divisors (see below), whose sum is σ = 19199074752. Its totient is φ = 4597971840.

The previous prime is 9549441973. The next prime is 9549442069. The reversal of 9549442064 is 4602449459.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9549442069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48899 + ... + 146594.

Almost surely, 2^9549442064 is an apocalyptic number.

It is an amenable number.

9549442064 is an abundant number, since it is smaller than the sum of its proper divisors (9649632688).

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

9549442064 is a wasteful number, since it uses less digits than its factorization.

9549442064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195615 (or 195609 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 47.

The square root of 9549442064 is about 97721.2467378512. The cubic root of 9549442064 is about 2121.5796094994.

The spelling of 9549442064 in words is "nine billion, five hundred forty-nine million, four hundred forty-two thousand, sixty-four".