4318998993 has 24 divisors (see below), whose sum is σ = 6262813440. Its totient is φ = 2868164640.

The previous prime is 4318998989. The next prime is 4318999021. The reversal of 4318998993 is 3998998134.

It is a happy number.

It is not a de Polignac number, because 4318998993 - 2² = 4318998989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4318998993.

It is not an unprimeable number, because it can be changed into a prime (4318998953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4357728 + ... + 4358718.

It is an arithmetic number, because the mean of its divisors is an integer number (260950560).

Almost surely, 2^4318998993 is an apocalyptic number.

It is an amenable number.

4318998993 is a deficient number, since it is larger than the sum of its proper divisors (1943814447).

4318998993 is a wasteful number, since it uses less digits than its factorization.

4318998993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389 (or 2386 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 63.

The square root of 4318998993 is about 65719.0915411952. The cubic root of 4318998993 is about 1628.5247662102.

The spelling of 4318998993 in words is "four billion, three hundred eighteen million, nine hundred ninety-eight thousand, nine hundred ninety-three".