1000866793271 has 2 divisors, whose sum is σ = 1000866793272.
Its totient is φ = 1000866793270.
The previous prime is 1000866793243. The next prime is 1000866793273. The reversal of 1000866793271 is 1723976680001.
1000866793271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1000866793271 - 214 = 1000866776887 is a prime.
Together with 1000866793273, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1000866793273) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500433396635 + 500433396636.
It is an arithmetic number, because the mean of its divisors is an integer number (500433396636).
Almost surely, 21000866793271 is an apocalyptic number.
1000866793271 is a deficient number, since it is larger than the sum of its proper divisors (1).
1000866793271 is an equidigital number, since it uses as much as digits as its factorization.
1000866793271 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 762048, while the sum is 50.
The spelling of 1000866793271 in words is "one trillion, eight hundred sixty-six million, seven hundred ninety-three thousand, two hundred seventy-one".