500489747129 has 2 divisors, whose sum is σ = 500489747130. Its totient is φ = 500489747128.

The previous prime is 500489747119. The next prime is 500489747231. The reversal of 500489747129 is 921747984005.

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., 394440522025 + 106049225104 = 628045^2 + 325652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500489747129 is a prime.

It is not a weakly prime, because it can be changed into another prime (500489747119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250244873564 + 250244873565.

It is an arithmetic number, because the mean of its divisors is an integer number (250244873565).

Almost surely, 2^500489747129 is an apocalyptic number.

It is an amenable number.

500489747129 is a deficient number, since it is larger than the sum of its proper divisors (1).

500489747129 is an equidigital number, since it uses as much as digits as its factorization.

500489747129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 500489747129 in words is "five hundred billion, four hundred eighty-nine million, seven hundred forty-seven thousand, one hundred twenty-nine".