42568371673389 has 12 divisors (see below), whose sum is σ = 61487826423036. Its totient is φ = 28378832087232.

The previous prime is 42568371673357. The next prime is 42568371673433. The reversal of 42568371673389 is 98337617386524.

42568371673389 is a `hidden beast` number, since 4 + 2 + 5 + 6 + 83 + 7 + 167 + 3 + 389 = 666.

42568371673389 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 2 ways, for example, as 33715616445225 + 8852755228164 = 5806515^2 + 2975358^2 .

It is not a de Polignac number, because 42568371673389 - 2⁵ = 42568371673357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42568371673339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3503544 + ... + 9869729.

It is an arithmetic number, because the mean of its divisors is an integer number (5123985535253).

Almost surely, 2^{42568371673389} is an apocalyptic number.

It is an amenable number.

42568371673389 is a deficient number, since it is larger than the sum of its proper divisors (18919454749647).

42568371673389 is a wasteful number, since it uses less digits than its factorization.

42568371673389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13726956 (or 13726953 counting only the distinct ones).

The product of its digits is 1097349120, while the sum is 72.

The spelling of 42568371673389 in words is "forty-two trillion, five hundred sixty-eight billion, three hundred seventy-one million, six hundred seventy-three thousand, three hundred eighty-nine".