6666965033 has 2 divisors, whose sum is σ = 6666965034. Its totient is φ = 6666965032.

The previous prime is 6666964999. The next prime is 6666965093. The reversal of 6666965033 is 3305696666.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3368989849 + 3297975184 = 58043^2 + 57428^2 .

It is a cyclic number.

It is not a de Polignac number, because 6666965033 - 2¹⁰ = 6666964009 is a prime.

It is not a weakly prime, because it can be changed into another prime (6666965093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333482516 + 3333482517.

It is an arithmetic number, because the mean of its divisors is an integer number (3333482517).

Almost surely, 2^6666965033 is an apocalyptic number.

It is an amenable number.

6666965033 is a deficient number, since it is larger than the sum of its proper divisors (1).

6666965033 is an equidigital number, since it uses as much as digits as its factorization.

6666965033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3149280, while the sum is 50.

The square root of 6666965033 is about 81651.4851855127. The cubic root of 6666965033 is about 1882.1001346901.

The spelling of 6666965033 in words is "six billion, six hundred sixty-six million, nine hundred sixty-five thousand, thirty-three".