6866890033 has 2 divisors, whose sum is σ = 6866890034. Its totient is φ = 6866890032.

The previous prime is 6866890027. The next prime is 6866890091. The reversal of 6866890033 is 3300986686.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4262522944 + 2604367089 = 65288^2 + 51033^2 .

It is a cyclic number.

It is not a de Polignac number, because 6866890033 - 2⁵ = 6866890001 is a prime.

It is not a weakly prime, because it can be changed into another prime (6866894033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3433445016 + 3433445017.

It is an arithmetic number, because the mean of its divisors is an integer number (3433445017).

Almost surely, 2^6866890033 is an apocalyptic number.

It is an amenable number.

6866890033 is a deficient number, since it is larger than the sum of its proper divisors (1).

6866890033 is an equidigital number, since it uses as much as digits as its factorization.

6866890033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 6866890033 is about 82866.7003868261. The cubic root of 6866890033 is about 1900.7282557324.

The spelling of 6866890033 in words is "six billion, eight hundred sixty-six million, eight hundred ninety thousand, thirty-three".