2144706673 has 2 divisors, whose sum is σ = 2144706674. Its totient is φ = 2144706672.

The previous prime is 2144706671. The next prime is 2144706677. The reversal of 2144706673 is 3766074412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1252310544 + 892396129 = 35388^2 + 29873^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144706673 - 2¹ = 2144706671 is a prime.

Together with 2144706671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2144706671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072353336 + 1072353337.

It is an arithmetic number, because the mean of its divisors is an integer number (1072353337).

Almost surely, 2^2144706673 is an apocalyptic number.

It is an amenable number.

2144706673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144706673 is an equidigital number, since it uses as much as digits as its factorization.

2144706673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 2144706673 is about 46310.9778886173. The cubic root of 2144706673 is about 1289.6028008140.

The spelling of 2144706673 in words is "two billion, one hundred forty-four million, seven hundred six thousand, six hundred seventy-three".