2429338909 has 2 divisors, whose sum is σ = 2429338910. Its totient is φ = 2429338908.

The previous prime is 2429338883. The next prime is 2429338921. The reversal of 2429338909 is 9098339242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1249622500 + 1179716409 = 35350^2 + 34347^2 .

It is a cyclic number.

It is not a de Polignac number, because 2429338909 - 2⁷ = 2429338781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2429338979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1214669454 + 1214669455.

It is an arithmetic number, because the mean of its divisors is an integer number (1214669455).

Almost surely, 2^2429338909 is an apocalyptic number.

It is an amenable number.

2429338909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2429338909 is an equidigital number, since it uses as much as digits as its factorization.

2429338909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 49.

The square root of 2429338909 is about 49288.3242665035. The cubic root of 2429338909 is about 1344.2994945412.

The spelling of 2429338909 in words is "two billion, four hundred twenty-nine million, three hundred thirty-eight thousand, nine hundred nine".