2755974209 has 2 divisors, whose sum is σ = 2755974210. Its totient is φ = 2755974208.

The previous prime is 2755974167. The next prime is 2755974229. The reversal of 2755974209 is 9024795572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2021401600 + 734572609 = 44960^2 + 27103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2755974209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2755974229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1377987104 + 1377987105.

It is an arithmetic number, because the mean of its divisors is an integer number (1377987105).

Almost surely, 2^2755974209 is an apocalyptic number.

It is an amenable number.

2755974209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2755974209 is an equidigital number, since it uses as much as digits as its factorization.

2755974209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The square root of 2755974209 is about 52497.3733533403. The cubic root of 2755974209 is about 1402.0334750857.

The spelling of 2755974209 in words is "two billion, seven hundred fifty-five million, nine hundred seventy-four thousand, two hundred nine".