2144340911 has 2 divisors, whose sum is σ = 2144340912. Its totient is φ = 2144340910.

The previous prime is 2144340889. The next prime is 2144340929. The reversal of 2144340911 is 1190434412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2144340911 - 2¹⁴ = 2144324527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144340971) 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, 1072170455 + 1072170456.

It is an arithmetic number, because the mean of its divisors is an integer number (1072170456).

Almost surely, 2^2144340911 is an apocalyptic number.

2144340911 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144340911 is an equidigital number, since it uses as much as digits as its factorization.

2144340911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2144340911 is about 46307.0287429457. The cubic root of 2144340911 is about 1289.5294862791.

The spelling of 2144340911 in words is "two billion, one hundred forty-four million, three hundred forty thousand, nine hundred eleven".