4259399779 has 2 divisors, whose sum is σ = 4259399780. Its totient is φ = 4259399778.

The previous prime is 4259399747. The next prime is 4259399791. The reversal of 4259399779 is 9779939524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4259399779 - 2⁵ = 4259399747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4259399779.

It is not a weakly prime, because it can be changed into another prime (4259339779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2129699889 + 2129699890.

It is an arithmetic number, because the mean of its divisors is an integer number (2129699890).

Almost surely, 2^4259399779 is an apocalyptic number.

4259399779 is a deficient number, since it is larger than the sum of its proper divisors (1).

4259399779 is an equidigital number, since it uses as much as digits as its factorization.

4259399779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38578680, while the sum is 64.

The square root of 4259399779 is about 65264.0772477479. The cubic root of 4259399779 is about 1620.9992030871. Note that the first 3 decimals are identical.

The spelling of 4259399779 in words is "four billion, two hundred fifty-nine million, three hundred ninety-nine thousand, seven hundred seventy-nine".