4509111329 has 2 divisors, whose sum is σ = 4509111330. Its totient is φ = 4509111328.

The previous prime is 4509111319. The next prime is 4509111379. The reversal of 4509111329 is 9231119054.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4495970704 + 13140625 = 67052^2 + 3625^2 .

It is a cyclic number.

It is not a de Polignac number, because 4509111329 - 2¹² = 4509107233 is a prime.

It is a super-2 number, since 2×4509111329² = 40664169954632292482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4509111319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2254555664 + 2254555665.

It is an arithmetic number, because the mean of its divisors is an integer number (2254555665).

Almost surely, 2^4509111329 is an apocalyptic number.

It is an amenable number.

4509111329 is a deficient number, since it is larger than the sum of its proper divisors (1).

4509111329 is an equidigital number, since it uses as much as digits as its factorization.

4509111329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 4509111329 is about 67149.9168204995. The cubic root of 4509111329 is about 1652.0771305058.

The spelling of 4509111329 in words is "four billion, five hundred nine million, one hundred eleven thousand, three hundred twenty-nine".