846834428089 has 4 divisors (see below), whose sum is σ = 911975537956. Its totient is φ = 781693318224.

The previous prime is 846834428059. The next prime is 846834428107. The reversal of 846834428089 is 980824438648.

846834428089 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.

It can be written as a sum of positive squares in 2 ways, for example, as 37674810000 + 809159618089 = 194100^2 + 899533^2 .

It is not a de Polignac number, because 846834428089 - 2⁷ = 846834427961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 846834428089.

It is not an unprimeable number, because it can be changed into a prime (846834428009) 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, 32570554914 + ... + 32570554939.

It is an arithmetic number, because the mean of its divisors is an integer number (227993884489).

Almost surely, 2^846834428089 is an apocalyptic number.

It is an amenable number.

846834428089 is a deficient number, since it is larger than the sum of its proper divisors (65141109867).

846834428089 is a wasteful number, since it uses less digits than its factorization.

846834428089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65141109866.

The product of its (nonzero) digits is 84934656, while the sum is 64.

The spelling of 846834428089 in words is "eight hundred forty-six billion, eight hundred thirty-four million, four hundred twenty-eight thousand, eighty-nine".