850491063 has 16 divisors (see below), whose sum is σ = 1262738400. Its totient is φ = 565755840.

The previous prime is 850491049. The next prime is 850491071. The reversal of 850491063 is 360194058.

850491063 is a `hidden beast` number, since 8 + 504 + 91 + 0 + 63 = 666.

It is not a de Polignac number, because 850491063 - 2⁶ = 850490999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850491073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21718 + ... + 46611.

It is an arithmetic number, because the mean of its divisors is an integer number (78921150).

Almost surely, 2^850491063 is an apocalyptic number.

850491063 is a deficient number, since it is larger than the sum of its proper divisors (412247337).

850491063 is a wasteful number, since it uses less digits than its factorization.

850491063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68799 (or 68793 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 850491063 is about 29163.1799192063. The cubic root of 850491063 is about 947.4506210416.

The spelling of 850491063 in words is "eight hundred fifty million, four hundred ninety-one thousand, sixty-three".