2750197409 has 2 divisors, whose sum is σ = 2750197410. Its totient is φ = 2750197408.

The previous prime is 2750197379. The next prime is 2750197477. The reversal of 2750197409 is 9047910572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2360016400 + 390181009 = 48580^2 + 19753^2 .

It is a cyclic number.

It is not a de Polignac number, because 2750197409 - 2²⁰ = 2749148833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2750197409.

It is not a weakly prime, because it can be changed into another prime (2750197909) 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, 1375098704 + 1375098705.

It is an arithmetic number, because the mean of its divisors is an integer number (1375098705).

Almost surely, 2^2750197409 is an apocalyptic number.

It is an amenable number.

2750197409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2750197409 is an equidigital number, since it uses as much as digits as its factorization.

2750197409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 2750197409 is about 52442.3245956927. The cubic root of 2750197409 is about 1401.0531886336.

The spelling of 2750197409 in words is "two billion, seven hundred fifty million, one hundred ninety-seven thousand, four hundred nine".