4939289909 has 2 divisors, whose sum is σ = 4939289910. Its totient is φ = 4939289908.

The previous prime is 4939289899. The next prime is 4939289917. The reversal of 4939289909 is 9099829394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4606336900 + 332953009 = 67870^2 + 18247^2 .

It is a cyclic number.

It is not a de Polignac number, because 4939289909 - 2²⁰ = 4938241333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4939289959) 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 as a sum of consecutive naturals, namely, 2469644954 + 2469644955.

It is an arithmetic number, because the mean of its divisors is an integer number (2469644955).

Almost surely, 2^4939289909 is an apocalyptic number.

It is an amenable number.

4939289909 is a deficient number, since it is larger than the sum of its proper divisors (1).

4939289909 is an equidigital number, since it uses as much as digits as its factorization.

4939289909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11337408, while the sum is 62.

The square root of 4939289909 is about 70280.0818795767. The cubic root of 4939289909 is about 1703.0268921200.

The spelling of 4939289909 in words is "four billion, nine hundred thirty-nine million, two hundred eighty-nine thousand, nine hundred nine".