8446426893 has 12 divisors (see below), whose sum is σ = 12208270620. Its totient is φ = 5627316096.

The previous prime is 8446426841. The next prime is 8446426903. The reversal of 8446426893 is 3986246448.

8446426893 is a `hidden beast` number, since 84 + 464 + 26 + 89 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3158664804 + 5287762089 = 56202^2 + 72717^2 .

It is not a de Polignac number, because 8446426893 - 2²¹ = 8444329741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8446426493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 288178 + ... + 316131.

It is an arithmetic number, because the mean of its divisors is an integer number (1017355885).

Almost surely, 2^8446426893 is an apocalyptic number.

It is an amenable number.

8446426893 is a deficient number, since it is larger than the sum of its proper divisors (3761843727).

8446426893 is a wasteful number, since it uses less digits than its factorization.

8446426893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605868 (or 605865 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 54.

The square root of 8446426893 is about 91904.4443593453. Note that the first 3 decimals coincide. The cubic root of 8446426893 is about 2036.5309242994.

The spelling of 8446426893 in words is "eight billion, four hundred forty-six million, four hundred twenty-six thousand, eight hundred ninety-three".