2756248849 has 2 divisors, whose sum is σ = 2756248850. Its totient is φ = 2756248848.

The previous prime is 2756248799. The next prime is 2756248909. The reversal of 2756248849 is 9488426572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2594068624 + 162180225 = 50932^2 + 12735^2 .

It is a cyclic number.

It is not a de Polignac number, because 2756248849 - 2¹³ = 2756240657 is a prime.

It is a super-2 number, since 2×2756248849² = 15193815435227649602, 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 2756248849.

It is not a weakly prime, because it can be changed into another prime (2756248049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378124424 + 1378124425.

It is an arithmetic number, because the mean of its divisors is an integer number (1378124425).

Almost surely, 2^2756248849 is an apocalyptic number.

It is an amenable number.

2756248849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2756248849 is an equidigital number, since it uses as much as digits as its factorization.

2756248849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7741440, while the sum is 55.

The square root of 2756248849 is about 52499.9890380941. The cubic root of 2756248849 is about 1402.0800456332.

The spelling of 2756248849 in words is "two billion, seven hundred fifty-six million, two hundred forty-eight thousand, eight hundred forty-nine".