850067311893 has 4 divisors (see below), whose sum is σ = 1133423082528. Its totient is φ = 566711541260.

The previous prime is 850067311871. The next prime is 850067312021. The reversal of 850067311893 is 398113760058.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 850067311893 - 2¹² = 850067307797 is a prime.

It is a super-2 number, since 2×850067311893² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850067311813) 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, 141677885313 + ... + 141677885318.

It is an arithmetic number, because the mean of its divisors is an integer number (283355770632).

Almost surely, 2^850067311893 is an apocalyptic number.

It is an amenable number.

850067311893 is a deficient number, since it is larger than the sum of its proper divisors (283355770635).

850067311893 is a wasteful number, since it uses less digits than its factorization.

850067311893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283355770634.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 850067311893 in words is "eight hundred fifty billion, sixty-seven million, three hundred eleven thousand, eight hundred ninety-three".