850106849 has 2 divisors, whose sum is σ = 850106850. Its totient is φ = 850106848.

The previous prime is 850106837. The next prime is 850106923. The reversal of 850106849 is 948601058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 444366400 + 405740449 = 21080^2 + 20143^2 .

It is a cyclic number.

It is not a de Polignac number, because 850106849 - 2²⁸ = 581671393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (850106449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425053424 + 425053425.

It is an arithmetic number, because the mean of its divisors is an integer number (425053425).

Almost surely, 2^850106849 is an apocalyptic number.

It is an amenable number.

850106849 is a deficient number, since it is larger than the sum of its proper divisors (1).

850106849 is an equidigital number, since it uses as much as digits as its factorization.

850106849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 850106849 is about 29156.5918618758. The cubic root of 850106849 is about 947.3079275479.

The spelling of 850106849 in words is "eight hundred fifty million, one hundred six thousand, eight hundred forty-nine".