3243243142129 has 2 divisors, whose sum is σ = 3243243142130. Its totient is φ = 3243243142128.

The previous prime is 3243243142127. The next prime is 3243243142141. The reversal of 3243243142129 is 9212413423423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1782705632400 + 1460537509729 = 1335180^2 + 1208527^2 .

It is a cyclic number.

It is not a de Polignac number, because 3243243142129 - 2¹ = 3243243142127 is a prime.

Together with 3243243142127, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3243243142091 and 3243243142100.

It is not a weakly prime, because it can be changed into another prime (3243243142127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1621621571064 + 1621621571065.

It is an arithmetic number, because the mean of its divisors is an integer number (1621621571065).

Almost surely, 2^{3243243142129} is an apocalyptic number.

It is an amenable number.

3243243142129 is a deficient number, since it is larger than the sum of its proper divisors (1).

3243243142129 is an equidigital number, since it uses as much as digits as its factorization.

3243243142129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 40.

The spelling of 3243243142129 in words is "three trillion, two hundred forty-three billion, two hundred forty-three million, one hundred forty-two thousand, one hundred twenty-nine".