5666500039 has 2 divisors, whose sum is σ = 5666500040. Its totient is φ = 5666500038.

The previous prime is 5666500003. The next prime is 5666500069. The reversal of 5666500039 is 9300056665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5666500039 - 2¹⁵ = 5666467271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5666499974 and 5666500010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5666500069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833250019 + 2833250020.

It is an arithmetic number, because the mean of its divisors is an integer number (2833250020).

Almost surely, 2^5666500039 is an apocalyptic number.

5666500039 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666500039 is an equidigital number, since it uses as much as digits as its factorization.

5666500039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 40.

The square root of 5666500039 is about 75276.1585032074. The cubic root of 5666500039 is about 1782.8096056350.

The spelling of 5666500039 in words is "five billion, six hundred sixty-six million, five hundred thousand, thirty-nine".