850918433518 has 16 divisors (see below), whose sum is σ = 1281046505760. Its totient is φ = 423904915456.

The previous prime is 850918433507. The next prime is 850918433539. The reversal of 850918433518 is 815334819058.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364023 + ... + 1354381.

It is an arithmetic number, because the mean of its divisors is an integer number (80065406610).

Almost surely, 2^850918433518 is an apocalyptic number.

850918433518 is a deficient number, since it is larger than the sum of its proper divisors (430128072242).

850918433518 is a wasteful number, since it uses less digits than its factorization.

850918433518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991931.

The product of its (nonzero) digits is 4147200, while the sum is 55.

The spelling of 850918433518 in words is "eight hundred fifty billion, nine hundred eighteen million, four hundred thirty-three thousand, five hundred eighteen".