8550666743 has 2 divisors, whose sum is σ = 8550666744. Its totient is φ = 8550666742.

The previous prime is 8550666679. The next prime is 8550666769. The reversal of 8550666743 is 3476660558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8550666743 - 2⁶ = 8550666679 is a prime.

It is a super-2 number, since 2×8550666743² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8550666691 and 8550666700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8550666343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4275333371 + 4275333372.

It is an arithmetic number, because the mean of its divisors is an integer number (4275333372).

Almost surely, 2^8550666743 is an apocalyptic number.

8550666743 is a deficient number, since it is larger than the sum of its proper divisors (1).

8550666743 is an equidigital number, since it uses as much as digits as its factorization.

8550666743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The square root of 8550666743 is about 92469.8153074829. The cubic root of 8550666743 is about 2044.8745042877.

The spelling of 8550666743 in words is "eight billion, five hundred fifty million, six hundred sixty-six thousand, seven hundred forty-three".