2144340049 has 2 divisors, whose sum is σ = 2144340050. Its totient is φ = 2144340048.

The previous prime is 2144339993. The next prime is 2144340053. The reversal of 2144340049 is 9400434412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1819619649 + 324720400 = 42657^2 + 18020^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144340049 - 2⁹ = 2144339537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2144340049.

It is not a weakly prime, because it can be changed into another prime (2144340089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072170024 + 1072170025.

It is an arithmetic number, because the mean of its divisors is an integer number (1072170025).

Almost surely, 2^2144340049 is an apocalyptic number.

It is an amenable number.

2144340049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144340049 is an equidigital number, since it uses as much as digits as its factorization.

2144340049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 2144340049 is about 46307.0194355024. The cubic root of 2144340049 is about 1289.5293134872.

The spelling of 2144340049 in words is "two billion, one hundred forty-four million, three hundred forty thousand, forty-nine".