9948715918 has 16 divisors (see below), whose sum is σ = 15992768160. Its totient is φ = 4629483936.

The previous prime is 9948715891. The next prime is 9948715937. The reversal of 9948715918 is 8195178499.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2920953 + ... + 2924356.

It is an arithmetic number, because the mean of its divisors is an integer number (999548010).

Almost surely, 2^9948715918 is an apocalyptic number.

9948715918 is a deficient number, since it is larger than the sum of its proper divisors (6044052242).

9948715918 is a wasteful number, since it uses less digits than its factorization.

9948715918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5845371.

The product of its digits is 6531840, while the sum is 61.

The square root of 9948715918 is about 99743.2499871545. The cubic root of 9948715918 is about 2150.7454359822.

The spelling of 9948715918 in words is "nine billion, nine hundred forty-eight million, seven hundred fifteen thousand, nine hundred eighteen".