2655636449 has 2 divisors, whose sum is σ = 2655636450.
Its totient is φ = 2655636448.
The previous prime is 2655636439. The next prime is 2655636469. The reversal of 2655636449 is 9446365562.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2536935424 + 118701025 = 50368^2 + 10895^2
It is a cyclic number.
It is not a de Polignac number, because 2655636449 - 224 = 2638859233 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2655636397 and 2655636406.
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 (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327818224 + 1327818225.
It is an arithmetic number, because the mean of its divisors is an integer number (1327818225).
Almost surely, 22655636449 is an apocalyptic number.
It is an amenable number.
2655636449 is a deficient number, since it is larger than the sum of its proper divisors (1).
2655636449 is an equidigital number, since it uses as much as digits as its factorization.
2655636449 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 4665600, while the sum is 50.
The square root of 2655636449 is about 51532.8676574475.
The cubic root of 2655636449 is about 1384.8079249858.
The spelling of 2655636449 in words is "two billion, six hundred fifty-five million, six hundred thirty-six thousand, four hundred forty-nine".