9418668149 has 4 divisors (see below), whose sum is σ = 10274910720. Its totient is φ = 8562425580.

The previous prime is 9418668139. The next prime is 9418668187.

9418668149 is nontrivially palindromic in base 10.

9418668149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9418668149 is a prime.

It is a super-2 number, since 2×9418668149² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9418668094 and 9418668103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9418668139) 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 3 ways as a sum of consecutive naturals, for example, 428121269 + ... + 428121290.

It is an arithmetic number, because the mean of its divisors is an integer number (2568727680).

Almost surely, 2^9418668149 is an apocalyptic number.

It is an amenable number.

9418668149 is a deficient number, since it is larger than the sum of its proper divisors (856242571).

9418668149 is a wasteful number, since it uses less digits than its factorization.

9418668149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856242570.

The product of its digits is 2985984, while the sum is 56.

The square root of 9418668149 is about 97049.8230240530. The cubic root of 9418668149 is about 2111.8504725986.

The spelling of 9418668149 in words is "nine billion, four hundred eighteen million, six hundred sixty-eight thousand, one hundred forty-nine".