2143243294177 has 2 divisors, whose sum is σ = 2143243294178. Its totient is φ = 2143243294176.

The previous prime is 2143243294151. The next prime is 2143243294183. The reversal of 2143243294177 is 7714923423412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1932547605921 + 210695688256 = 1390161^2 + 459016^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143243294177 - 2¹¹ = 2143243292129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2143243294177.

It is not a weakly prime, because it can be changed into another prime (2143243294877) 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, 1071621647088 + 1071621647089.

It is an arithmetic number, because the mean of its divisors is an integer number (1071621647089).

Almost surely, 2^{2143243294177} is an apocalyptic number.

It is an amenable number.

2143243294177 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143243294177 is an equidigital number, since it uses as much as digits as its factorization.

2143243294177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 49.

The spelling of 2143243294177 in words is "two trillion, one hundred forty-three billion, two hundred forty-three million, two hundred ninety-four thousand, one hundred seventy-seven".