850100849 has 4 divisors (see below), whose sum is σ = 915493236. Its totient is φ = 784708464.

The previous prime is 850100833. The next prime is 850100897. The reversal of 850100849 is 948001058.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 948001058 = 2 ⋅474000529.

It can be written as a sum of positive squares in 2 ways, for example, as 163660849 + 686440000 = 12793^2 + 26200^2 .

It is a cyclic number.

It is not a de Polignac number, because 850100849 - 2⁴ = 850100833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (850106849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32696174 + ... + 32696199.

It is an arithmetic number, because the mean of its divisors is an integer number (228873309).

Almost surely, 2^850100849 is an apocalyptic number.

It is an amenable number.

850100849 is a deficient number, since it is larger than the sum of its proper divisors (65392387).

850100849 is a wasteful number, since it uses less digits than its factorization.

850100849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65392386.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 850100849 is about 29156.4889690100. The cubic root of 850100849 is about 947.3056988630.

The spelling of 850100849 in words is "eight hundred fifty million, one hundred thousand, eight hundred forty-nine".