2421326239 has 2 divisors, whose sum is σ = 2421326240. Its totient is φ = 2421326238.

The previous prime is 2421326231. The next prime is 2421326249. The reversal of 2421326239 is 9326231242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2421326239 - 2³ = 2421326231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421326231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210663119 + 1210663120.

It is an arithmetic number, because the mean of its divisors is an integer number (1210663120).

Almost surely, 2^2421326239 is an apocalyptic number.

2421326239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421326239 is an equidigital number, since it uses as much as digits as its factorization.

2421326239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 34.

The square root of 2421326239 is about 49206.9734793759. The cubic root of 2421326239 is about 1342.8199023802.

The spelling of 2421326239 in words is "two billion, four hundred twenty-one million, three hundred twenty-six thousand, two hundred thirty-nine".