2144905943 has 2 divisors, whose sum is σ = 2144905944. Its totient is φ = 2144905942.

The previous prime is 2144905913. The next prime is 2144905949. The reversal of 2144905943 is 3495094412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2144905943 - 2⁶ = 2144905879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2144905943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144905949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072452971 + 1072452972.

It is an arithmetic number, because the mean of its divisors is an integer number (1072452972).

Almost surely, 2^2144905943 is an apocalyptic number.

2144905943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144905943 is an equidigital number, since it uses as much as digits as its factorization.

2144905943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 2144905943 is about 46313.1292723780. The cubic root of 2144905943 is about 1289.6427396387.

The spelling of 2144905943 in words is "two billion, one hundred forty-four million, nine hundred five thousand, nine hundred forty-three".