2143328144129 has 2 divisors, whose sum is σ = 2143328144130. Its totient is φ = 2143328144128.

The previous prime is 2143328144059. The next prime is 2143328144149. The reversal of 2143328144129 is 9214418233412.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1376276229904 + 767051914225 = 1173148^2 + 875815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2143328144129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2143328144129.

It is not a weakly prime, because it can be changed into another prime (2143328144149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071664072064 + 1071664072065.

It is an arithmetic number, because the mean of its divisors is an integer number (1071664072065).

Almost surely, 2^{2143328144129} is an apocalyptic number.

It is an amenable number.

2143328144129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143328144129 is an equidigital number, since it uses as much as digits as its factorization.

2143328144129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 44.

The spelling of 2143328144129 in words is "two trillion, one hundred forty-three billion, three hundred twenty-eight million, one hundred forty-four thousand, one hundred twenty-nine".