3666703387 has 2 divisors, whose sum is σ = 3666703388. Its totient is φ = 3666703386.

The previous prime is 3666703333. The next prime is 3666703409. The reversal of 3666703387 is 7833076663.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3666703387 is a prime.

It is a super-3 number, since 3×3666703387³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3666703387.

It is not a weakly prime, because it can be changed into another prime (3666703307) 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, 1833351693 + 1833351694.

It is an arithmetic number, because the mean of its divisors is an integer number (1833351694).

Almost surely, 2^3666703387 is an apocalyptic number.

3666703387 is a deficient number, since it is larger than the sum of its proper divisors (1).

3666703387 is an equidigital number, since it uses as much as digits as its factorization.

3666703387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2286144, while the sum is 49.

The square root of 3666703387 is about 60553.3102893640. The cubic root of 3666703387 is about 1542.0268173058.

The spelling of 3666703387 in words is "three billion, six hundred sixty-six million, seven hundred three thousand, three hundred eighty-seven".