499549545329 has 2 divisors, whose sum is σ = 499549545330. Its totient is φ = 499549545328.

The previous prime is 499549545323. The next prime is 499549545337. The reversal of 499549545329 is 923545945994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 494286333025 + 5263212304 = 703055^2 + 72548^2 .

It is a cyclic number.

It is not a de Polignac number, because 499549545329 - 2²⁰ = 499548496753 is a prime.

It is not a weakly prime, because it can be changed into another prime (499549545323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249774772664 + 249774772665.

It is an arithmetic number, because the mean of its divisors is an integer number (249774772665).

Almost surely, 2^499549545329 is an apocalyptic number.

It is an amenable number.

499549545329 is a deficient number, since it is larger than the sum of its proper divisors (1).

499549545329 is an equidigital number, since it uses as much as digits as its factorization.

499549545329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928000, while the sum is 68.

The spelling of 499549545329 in words is "four hundred ninety-nine billion, five hundred forty-nine million, five hundred forty-five thousand, three hundred twenty-nine".