999718914 has 32 divisors (see below), whose sum is σ = 2070126720. Its totient is φ = 321477632.

The previous prime is 999718883. The next prime is 999718921. The reversal of 999718914 is 419817999.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361762 + ... + 364514.

It is an arithmetic number, because the mean of its divisors is an integer number (64691460).

Almost surely, 2^999718914 is an apocalyptic number.

999718914 is an abundant number, since it is smaller than the sum of its proper divisors (1070407806).

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

999718914 is a wasteful number, since it uses less digits than its factorization.

999718914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874.

The product of its digits is 1469664, while the sum is 57.

The square root of 999718914 is about 31618.3319294361. The cubic root of 999718914 is about 999.9062958865.

The spelling of 999718914 in words is "nine hundred ninety-nine million, seven hundred eighteen thousand, nine hundred fourteen".