3666139703 has 2 divisors, whose sum is σ = 3666139704. Its totient is φ = 3666139702.

The previous prime is 3666139621. The next prime is 3666139727. The reversal of 3666139703 is 3079316663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3666139703 - 2¹² = 3666135607 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3666139733) 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, 1833069851 + 1833069852.

It is an arithmetic number, because the mean of its divisors is an integer number (1833069852).

Almost surely, 2^3666139703 is an apocalyptic number.

3666139703 is a deficient number, since it is larger than the sum of its proper divisors (1).

3666139703 is an equidigital number, since it uses as much as digits as its factorization.

3666139703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 44.

The square root of 3666139703 is about 60548.6556663317. The cubic root of 3666139703 is about 1541.9477944254.

The spelling of 3666139703 in words is "three billion, six hundred sixty-six million, one hundred thirty-nine thousand, seven hundred three".