2118009599 has 8 divisors (see below), whose sum is σ = 2142574800. Its totient is φ = 2093584896.

The previous prime is 2118009589. The next prime is 2118009631. The reversal of 2118009599 is 9959008112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2118009599 - 2²⁴ = 2101232383 is a prime.

It is a super-2 number, since 2×2118009599² = 8971929322912281602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118009539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4649 + ... + 65250.

It is an arithmetic number, because the mean of its divisors is an integer number (267821850).

Almost surely, 2^2118009599 is an apocalyptic number.

2118009599 is a deficient number, since it is larger than the sum of its proper divisors (24565201).

2118009599 is a wasteful number, since it uses less digits than its factorization.

2118009599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70249.

The product of its (nonzero) digits is 58320, while the sum is 44.

The square root of 2118009599 is about 46021.8382835801. The cubic root of 2118009599 is about 1284.2294984733.

The spelling of 2118009599 in words is "two billion, one hundred eighteen million, nine thousand, five hundred ninety-nine".