3908666903 has 2 divisors, whose sum is σ = 3908666904. Its totient is φ = 3908666902.

The previous prime is 3908666887. The next prime is 3908666917. The reversal of 3908666903 is 3096668093.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3908666903 - 2⁴ = 3908666887 is a prime.

It is a super-2 number, since 2×3908666903² = 30555353917215222818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3908668903) 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, 1954333451 + 1954333452.

It is an arithmetic number, because the mean of its divisors is an integer number (1954333452).

Almost surely, 2^3908666903 is an apocalyptic number.

3908666903 is a deficient number, since it is larger than the sum of its proper divisors (1).

3908666903 is an equidigital number, since it uses as much as digits as its factorization.

3908666903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 50.

The square root of 3908666903 is about 62519.3322341178. The cubic root of 3908666903 is about 1575.2260568114.

The spelling of 3908666903 in words is "three billion, nine hundred eight million, six hundred sixty-six thousand, nine hundred three".