84341847589 has 2 divisors, whose sum is σ = 84341847590. Its totient is φ = 84341847588.

The previous prime is 84341847539. The next prime is 84341847599. The reversal of 84341847589 is 98574814348.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82006058689 + 2335788900 = 286367^2 + 48330^2 .

It is a cyclic number.

It is not a de Polignac number, because 84341847589 - 2¹⁹ = 84341323301 is a prime.

It is a super-2 number, since 2×84341847589² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84341847539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42170923794 + 42170923795.

It is an arithmetic number, because the mean of its divisors is an integer number (42170923795).

Almost surely, 2^84341847589 is an apocalyptic number.

It is an amenable number.

84341847589 is a deficient number, since it is larger than the sum of its proper divisors (1).

84341847589 is an equidigital number, since it uses as much as digits as its factorization.

84341847589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30965760, while the sum is 61.

The spelling of 84341847589 in words is "eighty-four billion, three hundred forty-one million, eight hundred forty-seven thousand, five hundred eighty-nine".