850083109 has 2 divisors, whose sum is σ = 850083110. Its totient is φ = 850083108.

The previous prime is 850083049. The next prime is 850083173. The reversal of 850083109 is 901380058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426629025 + 423454084 = 20655^2 + 20578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-850083109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850083809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425041554 + 425041555.

It is an arithmetic number, because the mean of its divisors is an integer number (425041555).

Almost surely, 2^850083109 is an apocalyptic number.

It is an amenable number.

850083109 is a deficient number, since it is larger than the sum of its proper divisors (1).

850083109 is an equidigital number, since it uses as much as digits as its factorization.

850083109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 850083109 is about 29156.1847469795. The cubic root of 850083109 is about 947.2991093233.

The spelling of 850083109 in words is "eight hundred fifty million, eighty-three thousand, one hundred nine".