4208959949 has 2 divisors, whose sum is σ = 4208959950. Its totient is φ = 4208959948.

The previous prime is 4208959913. The next prime is 4208959969. The reversal of 4208959949 is 9499598024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3767749924 + 441210025 = 61382^2 + 21005^2 .

It is a cyclic number.

It is not a de Polignac number, because 4208959949 - 2⁸ = 4208959693 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4208959969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2104479974 + 2104479975.

It is an arithmetic number, because the mean of its divisors is an integer number (2104479975).

Almost surely, 2^4208959949 is an apocalyptic number.

It is an amenable number.

4208959949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4208959949 is an equidigital number, since it uses as much as digits as its factorization.

4208959949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8398080, while the sum is 59.

The square root of 4208959949 is about 64876.4976628671. The cubic root of 4208959949 is about 1614.5751516290.

The spelling of 4208959949 in words is "four billion, two hundred eight million, nine hundred fifty-nine thousand, nine hundred forty-nine".