3336666761 has 2 divisors, whose sum is σ = 3336666762. Its totient is φ = 3336666760.

The previous prime is 3336666757. The next prime is 3336666791. The reversal of 3336666761 is 1676666333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2000325625 + 1336341136 = 44725^2 + 36556^2 .

It is an emirp because it is prime and its reverse (1676666333) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3336666761 - 2² = 3336666757 is a prime.

It is a super-2 number, since 2×3336666761² = 22266690147924462242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3336666791) 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, 1668333380 + 1668333381.

It is an arithmetic number, because the mean of its divisors is an integer number (1668333381).

Almost surely, 2^3336666761 is an apocalyptic number.

It is an amenable number.

3336666761 is a deficient number, since it is larger than the sum of its proper divisors (1).

3336666761 is an equidigital number, since it uses as much as digits as its factorization.

3336666761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 47.

The square root of 3336666761 is about 57763.8880356923. Note that the first 3 decimals coincide. The cubic root of 3336666761 is about 1494.2993642428.

The spelling of 3336666761 in words is "three billion, three hundred thirty-six million, six hundred sixty-six thousand, seven hundred sixty-one".