850609322945 has 8 divisors (see below), whose sum is σ = 1020931322280. Its totient is φ = 680354035200.

The previous prime is 850609322917. The next prime is 850609322951. The reversal of 850609322945 is 549223906058.

It can be written as a sum of positive squares in 4 ways, for example, as 89456024464 + 761153298481 = 299092^2 + 872441^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 850609322945 - 2²² = 850605128641 is a prime.

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, 16649840 + ... + 16700849.

It is an arithmetic number, because the mean of its divisors is an integer number (127616415285).

Almost surely, 2^850609322945 is an apocalyptic number.

It is an amenable number.

850609322945 is a deficient number, since it is larger than the sum of its proper divisors (170321999335).

850609322945 is a wasteful number, since it uses less digits than its factorization.

850609322945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33355795.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 850609322945 in words is "eight hundred fifty billion, six hundred nine million, three hundred twenty-two thousand, nine hundred forty-five".