84486395585533 has 2 divisors, whose sum is σ = 84486395585534. Its totient is φ = 84486395585532.

The previous prime is 84486395585453. The next prime is 84486395585539. The reversal of 84486395585533 is 33558559368448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60511643039929 + 23974752545604 = 7778923^2 + 4896402^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84486395585533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84486395585533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84486395585539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42243197792766 + 42243197792767.

It is an arithmetic number, because the mean of its divisors is an integer number (42243197792767).

Almost surely, 2^{84486395585533} is an apocalyptic number.

It is an amenable number.

84486395585533 is a deficient number, since it is larger than the sum of its proper divisors (1).

84486395585533 is an equidigital number, since it uses as much as digits as its factorization.

84486395585533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7464960000, while the sum is 76.

The spelling of 84486395585533 in words is "eighty-four trillion, four hundred eighty-six billion, three hundred ninety-five million, five hundred eighty-five thousand, five hundred thirty-three".