850005369 has 6 divisors (see below), whose sum is σ = 1227785546. Its totient is φ = 566670240.

The previous prime is 850005367. The next prime is 850005427. The reversal of 850005369 is 963500058.

850005369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 826850025 + 23155344 = 28755^2 + 4812^2 .

It is not a de Polignac number, because 850005369 - 2¹ = 850005367 is a prime.

It is a super-2 number, since 2×850005369² = 1445018254657652322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (850005367) 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, 47222512 + ... + 47222529.

Almost surely, 2^850005369 is an apocalyptic number.

It is an amenable number.

850005369 is a deficient number, since it is larger than the sum of its proper divisors (377780177).

850005369 is a wasteful number, since it uses less digits than its factorization.

850005369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94445047 (or 94445044 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 850005369 is about 29154.8515516715. The cubic root of 850005369 is about 947.2702316457.

The spelling of 850005369 in words is "eight hundred fifty million, five thousand, three hundred sixty-nine".