5666263331 has 2 divisors, whose sum is σ = 5666263332. Its totient is φ = 5666263330.

The previous prime is 5666263321. The next prime is 5666263333. The reversal of 5666263331 is 1333626665.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5666263331 is a prime.

It is a super-3 number, since 3×5666263331³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 5666263333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5666263333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833131665 + 2833131666.

It is an arithmetic number, because the mean of its divisors is an integer number (2833131666).

Almost surely, 2^5666263331 is an apocalyptic number.

5666263331 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666263331 is an equidigital number, since it uses as much as digits as its factorization.

5666263331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 41.

The square root of 5666263331 is about 75274.5862227087. The cubic root of 5666263331 is about 1782.7847807184.

Adding to 5666263331 its reverse (1333626665), we get a palindrome (6999889996).

The spelling of 5666263331 in words is "five billion, six hundred sixty-six million, two hundred sixty-three thousand, three hundred thirty-one".