2755610509 has 2 divisors, whose sum is σ = 2755610510. Its totient is φ = 2755610508.

The previous prime is 2755610471. The next prime is 2755610549. The reversal of 2755610509 is 9050165572.

It is an a-pointer prime, because the next prime (2755610549) can be obtained adding 2755610509 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1937936484 + 817674025 = 44022^2 + 28595^2 .

It is a cyclic number.

It is not a de Polignac number, because 2755610509 - 2¹⁷ = 2755479437 is a prime.

It is a super-2 number, since 2×2755610509² = 15186778554622478162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2755610549) 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, 1377805254 + 1377805255.

It is an arithmetic number, because the mean of its divisors is an integer number (1377805255).

Almost surely, 2^2755610509 is an apocalyptic number.

It is an amenable number.

2755610509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2755610509 is an equidigital number, since it uses as much as digits as its factorization.

2755610509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94500, while the sum is 40.

The square root of 2755610509 is about 52493.9092562175. The cubic root of 2755610509 is about 1401.9717979231.

The spelling of 2755610509 in words is "two billion, seven hundred fifty-five million, six hundred ten thousand, five hundred nine".