2655238769 has 2 divisors, whose sum is σ = 2655238770. Its totient is φ = 2655238768.

The previous prime is 2655238763. The next prime is 2655238787. The reversal of 2655238769 is 9678325562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1731808225 + 923430544 = 41615^2 + 30388^2 .

It is a cyclic number.

It is not a de Polignac number, because 2655238769 - 2⁸ = 2655238513 is a prime.

It is a super-2 number, since 2×2655238769² = 14100585840801270722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2655238769.

It is not a weakly prime, because it can be changed into another prime (2655238763) 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, 1327619384 + 1327619385.

It is an arithmetic number, because the mean of its divisors is an integer number (1327619385).

Almost surely, 2^2655238769 is an apocalyptic number.

It is an amenable number.

2655238769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2655238769 is an equidigital number, since it uses as much as digits as its factorization.

2655238769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5443200, while the sum is 53.

The square root of 2655238769 is about 51529.0090046374. The cubic root of 2655238769 is about 1384.7387968103.

The spelling of 2655238769 in words is "two billion, six hundred fifty-five million, two hundred thirty-eight thousand, seven hundred sixty-nine".