850017683425 has 12 divisors (see below), whose sum is σ = 1054035422956. Its totient is φ = 680005440000.

The previous prime is 850017683413. The next prime is 850017683483. The reversal of 850017683425 is 524386710058.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 194227066944 + 655790616481 = 440712^2 + 809809^2 .

It is not a de Polignac number, because 850017683425 - 2²⁹ = 849480812513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2383357 + ... + 2716693.

Almost surely, 2^850017683425 is an apocalyptic number.

It is an amenable number.

850017683425 is a deficient number, since it is larger than the sum of its proper divisors (204017739531).

850017683425 is a wasteful number, since it uses less digits than its factorization.

850017683425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435348 (or 435343 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 850017683425 in words is "eight hundred fifty billion, seventeen million, six hundred eighty-three thousand, four hundred twenty-five".