850473983 has 2 divisors, whose sum is σ = 850473984. Its totient is φ = 850473982.

The previous prime is 850473979. The next prime is 850474043. The reversal of 850473983 is 389374058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 850473983 - 2² = 850473979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850473583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425236991 + 425236992.

It is an arithmetic number, because the mean of its divisors is an integer number (425236992).

Almost surely, 2^850473983 is an apocalyptic number.

850473983 is a deficient number, since it is larger than the sum of its proper divisors (1).

850473983 is an equidigital number, since it uses as much as digits as its factorization.

850473983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 850473983 is about 29162.8870827290. The cubic root of 850473983 is about 947.4442786018. Note that the first 3 decimals are identical.

The spelling of 850473983 in words is "eight hundred fifty million, four hundred seventy-three thousand, nine hundred eighty-three".