2748888509 has 2 divisors, whose sum is σ = 2748888510. Its totient is φ = 2748888508.

The previous prime is 2748888481. The next prime is 2748888533. The reversal of 2748888509 is 9058888472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2583688900 + 165199609 = 50830^2 + 12853^2 .

It is a cyclic number.

It is not a de Polignac number, because 2748888509 - 2²⁰ = 2747839933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2748888589) 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, 1374444254 + 1374444255.

It is an arithmetic number, because the mean of its divisors is an integer number (1374444255).

Almost surely, 2^2748888509 is an apocalyptic number.

It is an amenable number.

2748888509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2748888509 is an equidigital number, since it uses as much as digits as its factorization.

2748888509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10321920, while the sum is 59.

The square root of 2748888509 is about 52429.8436865875. The cubic root of 2748888509 is about 1400.8308858617.

The spelling of 2748888509 in words is "two billion, seven hundred forty-eight million, eight hundred eighty-eight thousand, five hundred nine".