3366666013 has 2 divisors, whose sum is σ = 3366666014. Its totient is φ = 3366666012.

The previous prime is 3366665989. The next prime is 3366666097. The reversal of 3366666013 is 3106666633.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2616015609 + 750650404 = 51147^2 + 27398^2 .

It is a cyclic number.

It is not a de Polignac number, because 3366666013 - 2²¹ = 3364568861 is a prime.

It is a super-2 number, since 2×3366666013² = 22668880086178632338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3366666113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1683333006 + 1683333007.

It is an arithmetic number, because the mean of its divisors is an integer number (1683333007).

Almost surely, 2^3366666013 is an apocalyptic number.

It is an amenable number.

3366666013 is a deficient number, since it is larger than the sum of its proper divisors (1).

3366666013 is an equidigital number, since it uses as much as digits as its factorization.

3366666013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 40.

The square root of 3366666013 is about 58022.9783189384. The cubic root of 3366666013 is about 1498.7643175981.

The spelling of 3366666013 in words is "three billion, three hundred sixty-six million, six hundred sixty-six thousand, thirteen".