2655636469 has 2 divisors, whose sum is σ = 2655636470. Its totient is φ = 2655636468.

The previous prime is 2655636449. The next prime is 2655636509. The reversal of 2655636469 is 9646365562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1398012100 + 1257624369 = 37390^2 + 35463^2 .

It is a cyclic number.

It is not a de Polignac number, because 2655636469 - 2¹⁹ = 2655112181 is a prime.

It is a super-3 number, since 3×2655636469³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2655636439) 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, 1327818234 + 1327818235.

It is an arithmetic number, because the mean of its divisors is an integer number (1327818235).

Almost surely, 2^2655636469 is an apocalyptic number.

It is an amenable number.

2655636469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2655636469 is an equidigital number, since it uses as much as digits as its factorization.

2655636469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6998400, while the sum is 52.

The square root of 2655636469 is about 51532.8678514984. The cubic root of 2655636469 is about 1384.8079284622.

The spelling of 2655636469 in words is "two billion, six hundred fifty-five million, six hundred thirty-six thousand, four hundred sixty-nine".