5521784772589 has 2 divisors, whose sum is σ = 5521784772590. Its totient is φ = 5521784772588.

The previous prime is 5521784772587. The next prime is 5521784772641. The reversal of 5521784772589 is 9852774871255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5126216733225 + 395568039364 = 2264115^2 + 628942^2 .

It is a cyclic number.

It is not a de Polignac number, because 5521784772589 - 2¹ = 5521784772587 is a prime.

Together with 5521784772587, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5521784772587) 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, 2760892386294 + 2760892386295.

It is an arithmetic number, because the mean of its divisors is an integer number (2760892386295).

Almost surely, 2^{5521784772589} is an apocalyptic number.

It is an amenable number.

5521784772589 is a deficient number, since it is larger than the sum of its proper divisors (1).

5521784772589 is an equidigital number, since it uses as much as digits as its factorization.

5521784772589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 395136000, while the sum is 70.

The spelling of 5521784772589 in words is "five trillion, five hundred twenty-one billion, seven hundred eighty-four million, seven hundred seventy-two thousand, five hundred eighty-nine".