84359496589 has 2 divisors, whose sum is σ = 84359496590. Its totient is φ = 84359496588.

The previous prime is 84359496583. The next prime is 84359496607. The reversal of 84359496589 is 98569495348.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84356555364 + 2941225 = 290442^2 + 1715^2 .

It is a cyclic number.

It is not a de Polignac number, because 84359496589 - 2³ = 84359496581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84359496581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42179748294 + 42179748295.

It is an arithmetic number, because the mean of its divisors is an integer number (42179748295).

Almost surely, 2^84359496589 is an apocalyptic number.

It is an amenable number.

84359496589 is a deficient number, since it is larger than the sum of its proper divisors (1).

84359496589 is an equidigital number, since it uses as much as digits as its factorization.

84359496589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 335923200, while the sum is 70.

The spelling of 84359496589 in words is "eighty-four billion, three hundred fifty-nine million, four hundred ninety-six thousand, five hundred eighty-nine".