4385444317 has 4 divisors (see below), whose sum is σ = 4387669020. Its totient is φ = 4383219616.

The previous prime is 4385444303. The next prime is 4385444353. The reversal of 4385444317 is 7134445834.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2195765881 + 2189678436 = 46859^2 + 46794^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4385444317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4385444377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1109392 + ... + 1113337.

It is an arithmetic number, because the mean of its divisors is an integer number (1096917255).

Almost surely, 2^4385444317 is an apocalyptic number.

It is an amenable number.

4385444317 is a deficient number, since it is larger than the sum of its proper divisors (2224703).

4385444317 is a wasteful number, since it uses less digits than its factorization.

4385444317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224702.

The product of its digits is 645120, while the sum is 43.

The square root of 4385444317 is about 66222.6873284375. The cubic root of 4385444317 is about 1636.8336085484.

The spelling of 4385444317 in words is "four billion, three hundred eighty-five million, four hundred forty-four thousand, three hundred seventeen".