9918448199 has 8 divisors (see below), whose sum is σ = 10820936448. Its totient is φ = 9016095160.

The previous prime is 9918448147. The next prime is 9918448201.

9918448199 is nontrivially palindromic in base 10.

9918448199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9918448199 - 2⁸ = 9918447943 is a prime.

It is a super-2 number, since 2×9918448199² (a number of 21 digits) 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 (9918448699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176504 + ... + 225810.

It is an arithmetic number, because the mean of its divisors is an integer number (1352617056).

Almost surely, 2^9918448199 is an apocalyptic number.

9918448199 is a deficient number, since it is larger than the sum of its proper divisors (902488249).

9918448199 is a wasteful number, since it uses less digits than its factorization.

9918448199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67605.

The product of its digits is 6718464, while the sum is 62.

The square root of 9918448199 is about 99591.4062507403. The cubic root of 9918448199 is about 2148.5620959913.

The spelling of 9918448199 in words is "nine billion, nine hundred eighteen million, four hundred forty-eight thousand, one hundred ninety-nine".