9113907918 has 32 divisors (see below), whose sum is σ = 19025093376. Its totient is φ = 2905155968.

The previous prime is 9113907911. The next prime is 9113908019. The reversal of 9113907918 is 8197093119.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9113907911) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 924805 + ... + 934607.

It is an arithmetic number, because the mean of its divisors is an integer number (594534168).

Almost surely, 2^9113907918 is an apocalyptic number.

9113907918 is an abundant number, since it is smaller than the sum of its proper divisors (9911185458).

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

9113907918 is a wasteful number, since it uses less digits than its factorization.

9113907918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16568.

The product of its (nonzero) digits is 122472, while the sum is 48.

The square root of 9113907918 is about 95466.7896076955. The cubic root of 9113907918 is about 2088.8225412152.

The spelling of 9113907918 in words is "nine billion, one hundred thirteen million, nine hundred seven thousand, nine hundred eighteen".