845063009 has 4 divisors (see below), whose sum is σ = 965786304. Its totient is φ = 724339716.

The previous prime is 845063003. The next prime is 845063029. The reversal of 845063009 is 900360548.

845063009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 845063009 - 2²⁴ = 828285793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 845063009.

It is not an unprimeable number, because it can be changed into a prime (845063003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60361637 + ... + 60361650.

It is an arithmetic number, because the mean of its divisors is an integer number (241446576).

Almost surely, 2^845063009 is an apocalyptic number.

It is an amenable number.

845063009 is a deficient number, since it is larger than the sum of its proper divisors (120723295).

845063009 is a wasteful number, since it uses less digits than its factorization.

845063009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120723294.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 845063009 is about 29069.9674750420. The cubic root of 845063009 is about 945.4306926974.

The spelling of 845063009 in words is "eight hundred forty-five million, sixty-three thousand, nine".