4240203142129 has 2 divisors, whose sum is σ = 4240203142130. Its totient is φ = 4240203142128.

The previous prime is 4240203142111. The next prime is 4240203142139. The reversal of 4240203142129 is 9212413020424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3926944649104 + 313258493025 = 1981652^2 + 559695^2 .

It is a cyclic number.

It is not a de Polignac number, because 4240203142129 - 2⁷ = 4240203142001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4240203142094 and 4240203142103.

It is not a weakly prime, because it can be changed into another prime (4240203142139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120101571064 + 2120101571065.

It is an arithmetic number, because the mean of its divisors is an integer number (2120101571065).

Almost surely, 2^{4240203142129} is an apocalyptic number.

It is an amenable number.

4240203142129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4240203142129 is an equidigital number, since it uses as much as digits as its factorization.

4240203142129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 4240203142129 in words is "four trillion, two hundred forty billion, two hundred three million, one hundred forty-two thousand, one hundred twenty-nine".