3331666873 has 2 divisors, whose sum is σ = 3331666874. Its totient is φ = 3331666872.

The previous prime is 3331666841. The next prime is 3331666879. The reversal of 3331666873 is 3786661333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2639082384 + 692584489 = 51372^2 + 26317^2 .

It is a cyclic number.

It is not a de Polignac number, because 3331666873 - 2⁵ = 3331666841 is a prime.

It is a super-2 number, since 2×3331666873² = 22200008305291196258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3331666879) 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, 1665833436 + 1665833437.

It is an arithmetic number, because the mean of its divisors is an integer number (1665833437).

Almost surely, 2^3331666873 is an apocalyptic number.

It is an amenable number.

3331666873 is a deficient number, since it is larger than the sum of its proper divisors (1).

3331666873 is an equidigital number, since it uses as much as digits as its factorization.

3331666873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 46.

The square root of 3331666873 is about 57720.5931449080. The cubic root of 3331666873 is about 1493.5526045817.

The spelling of 3331666873 in words is "three billion, three hundred thirty-one million, six hundred sixty-six thousand, eight hundred seventy-three".