9948916918 has 4 divisors (see below), whose sum is σ = 14923375380. Its totient is φ = 4974458458.

The previous prime is 9948916883. The next prime is 9948916937. The reversal of 9948916918 is 8196198499.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9948916918.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2487229228 + ... + 2487229231.

It is an arithmetic number, because the mean of its divisors is an integer number (3730843845).

Almost surely, 2^9948916918 is an apocalyptic number.

9948916918 is a deficient number, since it is larger than the sum of its proper divisors (4974458462).

9948916918 is a wasteful number, since it uses less digits than its factorization.

9948916918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4974458461.

The product of its digits is 10077696, while the sum is 64.

The square root of 9948916918 is about 99744.2575690450. The cubic root of 9948916918 is about 2150.7599201604.

The spelling of 9948916918 in words is "nine billion, nine hundred forty-eight million, nine hundred sixteen thousand, nine hundred eighteen".