850318018922 has 4 divisors (see below), whose sum is σ = 1275477028386. Its totient is φ = 425159009460.

The previous prime is 850318018889. The next prime is 850318018937. The reversal of 850318018922 is 229810813058.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 845610824041 + 4707194881 = 919571^2 + 68609^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212579504729 + ... + 212579504732.

Almost surely, 2^850318018922 is an apocalyptic number.

850318018922 is a deficient number, since it is larger than the sum of its proper divisors (425159009464).

850318018922 is a wasteful number, since it uses less digits than its factorization.

850318018922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425159009463.

The product of its (nonzero) digits is 276480, while the sum is 47.

The spelling of 850318018922 in words is "eight hundred fifty billion, three hundred eighteen million, eighteen thousand, nine hundred twenty-two".