4959905309 has 2 divisors, whose sum is σ = 4959905310. Its totient is φ = 4959905308.

The previous prime is 4959905299. The next prime is 4959905333. The reversal of 4959905309 is 9035099594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3454853284 + 1505052025 = 58778^2 + 38795^2 .

It is a cyclic number.

It is not a de Polignac number, because 4959905309 - 2²⁰ = 4958856733 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4959905399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2479952654 + 2479952655.

It is an arithmetic number, because the mean of its divisors is an integer number (2479952655).

Almost surely, 2^4959905309 is an apocalyptic number.

It is an amenable number.

4959905309 is a deficient number, since it is larger than the sum of its proper divisors (1).

4959905309 is an equidigital number, since it uses as much as digits as its factorization.

4959905309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1968300, while the sum is 53.

The square root of 4959905309 is about 70426.5951825019. The cubic root of 4959905309 is about 1705.3929440072.

The spelling of 4959905309 in words is "four billion, nine hundred fifty-nine million, nine hundred five thousand, three hundred nine".