8334638755129 has 2 divisors, whose sum is σ = 8334638755130. Its totient is φ = 8334638755128.

The previous prime is 8334638755061. The next prime is 8334638755139. The reversal of 8334638755129 is 9215578364338.

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., 4238678028025 + 4095960727104 = 2058805^2 + 2023848^2 .

It is a cyclic number.

It is not a de Polignac number, because 8334638755129 - 2¹¹ = 8334638753081 is a prime.

It is not a weakly prime, because it can be changed into another prime (8334638755139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4167319377564 + 4167319377565.

It is an arithmetic number, because the mean of its divisors is an integer number (4167319377565).

Almost surely, 2^{8334638755129} is an apocalyptic number.

It is an amenable number.

8334638755129 is a deficient number, since it is larger than the sum of its proper divisors (1).

8334638755129 is an equidigital number, since it uses as much as digits as its factorization.

8334638755129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 130636800, while the sum is 64.

The spelling of 8334638755129 in words is "eight trillion, three hundred thirty-four billion, six hundred thirty-eight million, seven hundred fifty-five thousand, one hundred twenty-nine".