555485845469 has 2 divisors, whose sum is σ = 555485845470. Its totient is φ = 555485845468.

The previous prime is 555485845459. The next prime is 555485845501. The reversal of 555485845469 is 964548584555.

555485845469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 531973303225 + 23512542244 = 729365^2 + 153338^2 .

It is a cyclic number.

It is not a de Polignac number, because 555485845469 - 2³⁶ = 486766368733 is a prime.

It is a super-2 number, since 2×555485845469² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 555485845399 and 555485845408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555485845459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277742922734 + 277742922735.

It is an arithmetic number, because the mean of its divisors is an integer number (277742922735).

Almost surely, 2^555485845469 is an apocalyptic number.

It is an amenable number.

555485845469 is a deficient number, since it is larger than the sum of its proper divisors (1).

555485845469 is an equidigital number, since it uses as much as digits as its factorization.

555485845469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200000, while the sum is 68.

It can be divided in two parts, 55548584546 and 9, that added together give a palindrome (55548584555).

The spelling of 555485845469 in words is "five hundred fifty-five billion, four hundred eighty-five million, eight hundred forty-five thousand, four hundred sixty-nine".