499999998133 has 2 divisors, whose sum is σ = 499999998134. Its totient is φ = 499999998132.

The previous prime is 499999998109. The next prime is 499999998161. The reversal of 499999998133 is 331899999994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313508166724 + 186491831409 = 559918^2 + 431847^2 .

It is a cyclic number.

It is not a de Polignac number, because 499999998133 - 2⁹ = 499999997621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499999993133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249999999066 + 249999999067.

It is an arithmetic number, because the mean of its divisors is an integer number (249999999067).

Almost surely, 2^499999998133 is an apocalyptic number.

It is an amenable number.

499999998133 is a deficient number, since it is larger than the sum of its proper divisors (1).

499999998133 is an equidigital number, since it uses as much as digits as its factorization.

499999998133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1377495072, while the sum is 82.

The spelling of 499999998133 in words is "four hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-eight thousand, one hundred thirty-three".