850609695663 has 48 divisors (see below), whose sum is σ = 1549077880896. Its totient is φ = 437729978880.

The previous prime is 850609695613. The next prime is 850609695713. The reversal of 850609695663 is 366596906058.

850609695663 is a `hidden beast` number, since 8 + 5 + 0 + 6 + 0 + 9 + 69 + 566 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (850609695613) and next prime (850609695713).

It is not a de Polignac number, because 850609695663 - 2⁹ = 850609695151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 850609695663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850609695613) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12632220 + ... + 12699377.

It is an arithmetic number, because the mean of its divisors is an integer number (32272455852).

Almost surely, 2^850609695663 is an apocalyptic number.

850609695663 is a deficient number, since it is larger than the sum of its proper divisors (698468185233).

850609695663 is a wasteful number, since it uses less digits than its factorization.

850609695663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25331664 (or 25331661 counting only the distinct ones).

The product of its (nonzero) digits is 62985600, while the sum is 63.

The spelling of 850609695663 in words is "eight hundred fifty billion, six hundred nine million, six hundred ninety-five thousand, six hundred sixty-three".