3666700039 has 2 divisors, whose sum is σ = 3666700040. Its totient is φ = 3666700038.

The previous prime is 3666700033. The next prime is 3666700067. The reversal of 3666700039 is 9300076663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3666700039 - 2¹⁷ = 3666568967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3666699974 and 3666700010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3666700033) 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, 1833350019 + 1833350020.

It is an arithmetic number, because the mean of its divisors is an integer number (1833350020).

Almost surely, 2^3666700039 is an apocalyptic number.

3666700039 is a deficient number, since it is larger than the sum of its proper divisors (1).

3666700039 is an equidigital number, since it uses as much as digits as its factorization.

3666700039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 40.

The square root of 3666700039 is about 60553.2826442960. The cubic root of 3666700039 is about 1542.0263479735.

The spelling of 3666700039 in words is "three billion, six hundred sixty-six million, seven hundred thousand, thirty-nine".