655465504717 has 2 divisors, whose sum is σ = 655465504718. Its totient is φ = 655465504716.

The previous prime is 655465504693. The next prime is 655465504787. The reversal of 655465504717 is 717405564556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330968939401 + 324496565316 = 575299^2 + 569646^2 .

It is a cyclic number.

It is not a de Polignac number, because 655465504717 - 2¹⁵ = 655465471949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655465504787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327732752358 + 327732752359.

It is an arithmetic number, because the mean of its divisors is an integer number (327732752359).

Almost surely, 2^655465504717 is an apocalyptic number.

It is an amenable number.

655465504717 is a deficient number, since it is larger than the sum of its proper divisors (1).

655465504717 is an equidigital number, since it uses as much as digits as its factorization.

655465504717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640000, while the sum is 55.

The spelling of 655465504717 in words is "six hundred fifty-five billion, four hundred sixty-five million, five hundred four thousand, seven hundred seventeen".