850737342321 has 6 divisors (see below), whose sum is σ = 1228842827810. Its totient is φ = 567158228208.

The previous prime is 850737342293. The next prime is 850737342341. The reversal of 850737342321 is 123243737058.

It is a happy number.

850737342321 is a `hidden beast` number, since 8 + 507 + 3 + 73 + 42 + 32 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 638898074721 + 211839267600 = 799311^2 + 460260^2 .

It is not a de Polignac number, because 850737342321 - 2⁵ = 850737342289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (850737342341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47263185676 + ... + 47263185693.

Almost surely, 2^850737342321 is an apocalyptic number.

It is an amenable number.

850737342321 is a deficient number, since it is larger than the sum of its proper divisors (378105485489).

850737342321 is a wasteful number, since it uses less digits than its factorization.

850737342321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94526371375 (or 94526371372 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 850737342321 in words is "eight hundred fifty billion, seven hundred thirty-seven million, three hundred forty-two thousand, three hundred twenty-one".