2144275919 has 2 divisors, whose sum is σ = 2144275920. Its totient is φ = 2144275918.

The previous prime is 2144275891. The next prime is 2144275927. The reversal of 2144275919 is 9195724412.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2144275919 is a prime.

It is a super-4 number, since 4×2144275919⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2144275919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144275019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072137959 + 1072137960.

It is an arithmetic number, because the mean of its divisors is an integer number (1072137960).

Almost surely, 2^2144275919 is an apocalyptic number.

2144275919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144275919 is an equidigital number, since it uses as much as digits as its factorization.

2144275919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 44.

The square root of 2144275919 is about 46306.3269867088. The cubic root of 2144275919 is about 1289.5164581972.

The spelling of 2144275919 in words is "two billion, one hundred forty-four million, two hundred seventy-five thousand, nine hundred nineteen".