42850712238589 has 2 divisors, whose sum is σ = 42850712238590. Its totient is φ = 42850712238588.

The previous prime is 42850712238569. The next prime is 42850712238643. The reversal of 42850712238589 is 98583221705824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40901524884900 + 1949187353689 = 6395430^2 + 1396133^2 .

It is a cyclic number.

It is not a de Polignac number, because 42850712238589 - 2²³ = 42850703849981 is a prime.

It is a super-3 number, since 3×42850712238589³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 42850712238589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42850712238569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21425356119294 + 21425356119295.

It is an arithmetic number, because the mean of its divisors is an integer number (21425356119295).

Almost surely, 2^{42850712238589} is an apocalyptic number.

It is an amenable number.

42850712238589 is a deficient number, since it is larger than the sum of its proper divisors (1).

42850712238589 is an equidigital number, since it uses as much as digits as its factorization.

42850712238589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77414400, while the sum is 64.

The spelling of 42850712238589 in words is "forty-two trillion, eight hundred fifty billion, seven hundred twelve million, two hundred thirty-eight thousand, five hundred eighty-nine".