5666142047 has 2 divisors, whose sum is σ = 5666142048. Its totient is φ = 5666142046.

The previous prime is 5666142029. The next prime is 5666142049. The reversal of 5666142047 is 7402416665.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5666142047 - 2¹² = 5666137951 is a prime.

Together with 5666142049, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5666141995 and 5666142013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5666142049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833071023 + 2833071024.

It is an arithmetic number, because the mean of its divisors is an integer number (2833071024).

Almost surely, 2^5666142047 is an apocalyptic number.

5666142047 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666142047 is an equidigital number, since it uses as much as digits as its factorization.

5666142047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 5666142047 is about 75273.7806078584. The cubic root of 5666142047 is about 1782.7720607064.

The spelling of 5666142047 in words is "five billion, six hundred sixty-six million, one hundred forty-two thousand, forty-seven".