842750999971 has 2 divisors, whose sum is σ = 842750999972. Its totient is φ = 842750999970.

The previous prime is 842750999941. The next prime is 842751000083. The reversal of 842750999971 is 179999057248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 842750999971 - 2¹⁹ = 842750475683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 842750999971.

It is not a weakly prime, because it can be changed into another prime (842750999941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421375499985 + 421375499986.

It is an arithmetic number, because the mean of its divisors is an integer number (421375499986).

Almost surely, 2^842750999971 is an apocalyptic number.

842750999971 is a deficient number, since it is larger than the sum of its proper divisors (1).

842750999971 is an equidigital number, since it uses as much as digits as its factorization.

842750999971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102876480, while the sum is 70.

The spelling of 842750999971 in words is "eight hundred forty-two billion, seven hundred fifty million, nine hundred ninety-nine thousand, nine hundred seventy-one".