3994099259 has 2 divisors, whose sum is σ = 3994099260. Its totient is φ = 3994099258.

The previous prime is 3994099189. The next prime is 3994099261. The reversal of 3994099259 is 9529904993.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3994099259 is a prime.

Together with 3994099261, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3994099198 and 3994099207.

It is not a weakly prime, because it can be changed into another prime (3994099159) 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, 1997049629 + 1997049630.

It is an arithmetic number, because the mean of its divisors is an integer number (1997049630).

Almost surely, 2^3994099259 is an apocalyptic number.

3994099259 is a deficient number, since it is larger than the sum of its proper divisors (1).

3994099259 is an equidigital number, since it uses as much as digits as its factorization.

3994099259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7085880, while the sum is 59.

The square root of 3994099259 is about 63198.8865329129. The cubic root of 3994099259 is about 1586.6200976189.

The spelling of 3994099259 in words is "three billion, nine hundred ninety-four million, ninety-nine thousand, two hundred fifty-nine".