4909504309 has 2 divisors, whose sum is σ = 4909504310. Its totient is φ = 4909504308.

The previous prime is 4909504213. The next prime is 4909504349. The reversal of 4909504309 is 9034059094.

4909504309 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3635728209 + 1273776100 = 60297^2 + 35690^2 .

It is a cyclic number.

It is not a de Polignac number, because 4909504309 - 2²¹ = 4907407157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4909504349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2454752154 + 2454752155.

It is an arithmetic number, because the mean of its divisors is an integer number (2454752155).

Almost surely, 2^4909504309 is an apocalyptic number.

It is an amenable number.

4909504309 is a deficient number, since it is larger than the sum of its proper divisors (1).

4909504309 is an equidigital number, since it uses as much as digits as its factorization.

4909504309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 4909504309 is about 70067.8550335316. The cubic root of 4909504309 is about 1699.5967104486.

The spelling of 4909504309 in words is "four billion, nine hundred nine million, five hundred four thousand, three hundred nine".