2420002439 has 2 divisors, whose sum is σ = 2420002440. Its totient is φ = 2420002438.

The previous prime is 2420002433. The next prime is 2420002447. The reversal of 2420002439 is 9342000242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2420002439 - 2⁸ = 2420002183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2420002433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210001219 + 1210001220.

It is an arithmetic number, because the mean of its divisors is an integer number (1210001220).

Almost surely, 2^2420002439 is an apocalyptic number.

2420002439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420002439 is an equidigital number, since it uses as much as digits as its factorization.

2420002439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2420002439 is about 49193.5202948518. The cubic root of 2420002439 is about 1342.5751399557.

The spelling of 2420002439 in words is "two billion, four hundred twenty million, two thousand, four hundred thirty-nine".