4391347109 has 8 divisors (see below), whose sum is σ = 4518912120. Its totient is φ = 4264249536.

The previous prime is 4391347097. The next prime is 4391347111. The reversal of 4391347109 is 9017431934.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2521044100 + 1870303009 = 50210^2 + 43247^2 .

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 4391347109 - 2¹² = 4391343013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4391347139) 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, 97754 + ... + 135419.

It is an arithmetic number, because the mean of its divisors is an integer number (564864015).

Almost surely, 2^4391347109 is an apocalyptic number.

It is an amenable number.

4391347109 is a deficient number, since it is larger than the sum of its proper divisors (127565011).

4391347109 is a wasteful number, since it uses less digits than its factorization.

4391347109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233719.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 4391347109 is about 66267.2400889006. The cubic root of 4391347109 is about 1637.5676699809.

The spelling of 4391347109 in words is "four billion, three hundred ninety-one million, three hundred forty-seven thousand, one hundred nine".