9439669349 has 4 divisors (see below), whose sum is σ = 10297821120. Its totient is φ = 8581517580.

The previous prime is 9439669333. The next prime is 9439669381.

It is a happy number.

9439669349 is nontrivially palindromic in base 10.

9439669349 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 not a de Polignac number, because 9439669349 - 2⁴ = 9439669333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9439669291 and 9439669300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9439669049) 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, 429075869 + ... + 429075890.

It is an arithmetic number, because the mean of its divisors is an integer number (2574455280).

Almost surely, 2^9439669349 is an apocalyptic number.

It is an amenable number.

9439669349 is a deficient number, since it is larger than the sum of its proper divisors (858151771).

9439669349 is a wasteful number, since it uses less digits than its factorization.

9439669349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858151770.

The product of its digits is 34012224, while the sum is 62.

The square root of 9439669349 is about 97157.9608112480. The cubic root of 9439669349 is about 2113.4189346558.

The spelling of 9439669349 in words is "nine billion, four hundred thirty-nine million, six hundred sixty-nine thousand, three hundred forty-nine".