4238741550529 has 2 divisors, whose sum is σ = 4238741550530. Its totient is φ = 4238741550528.

The previous prime is 4238741550523. The next prime is 4238741550557. The reversal of 4238741550529 is 9250551478324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4178998947600 + 59742602929 = 2044260^2 + 244423^2 .

It is a cyclic number.

It is not a de Polignac number, because 4238741550529 - 2⁵ = 4238741550497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4238741550529.

It is not a weakly prime, because it can be changed into another prime (4238741550523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2119370775264 + 2119370775265.

It is an arithmetic number, because the mean of its divisors is an integer number (2119370775265).

Almost surely, 2^{4238741550529} is an apocalyptic number.

It is an amenable number.

4238741550529 is a deficient number, since it is larger than the sum of its proper divisors (1).

4238741550529 is an equidigital number, since it uses as much as digits as its factorization.

4238741550529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096000, while the sum is 55.

The spelling of 4238741550529 in words is "four trillion, two hundred thirty-eight billion, seven hundred forty-one million, five hundred fifty thousand, five hundred twenty-nine".