850605731745 has 32 divisors (see below), whose sum is σ = 1696792734720. Its totient is φ = 353498485440.

The previous prime is 850605731711. The next prime is 850605731827. The reversal of 850605731745 is 547137506058.

It is not a de Polignac number, because 850605731745 - 2⁷ = 850605731617 is a prime.

It is a super-2 number, since 2×850605731745² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 368226435 + ... + 368228744.

It is an arithmetic number, because the mean of its divisors is an integer number (53024772960).

Almost surely, 2^850605731745 is an apocalyptic number.

It is an amenable number.

850605731745 is a deficient number, since it is larger than the sum of its proper divisors (846187002975).

850605731745 is a wasteful number, since it uses less digits than its factorization.

850605731745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736455205.

The product of its (nonzero) digits is 3528000, while the sum is 51.

The spelling of 850605731745 in words is "eight hundred fifty billion, six hundred five million, seven hundred thirty-one thousand, seven hundred forty-five".