498913385813 has 2 divisors, whose sum is σ = 498913385814. Its totient is φ = 498913385812.

The previous prime is 498913385753. The next prime is 498913385819. The reversal of 498913385813 is 318583319894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276636025444 + 222277360369 = 525962^2 + 471463^2 .

It is a cyclic number.

It is not a de Polignac number, because 498913385813 - 2⁸ = 498913385557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498913385819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249456692906 + 249456692907.

It is an arithmetic number, because the mean of its divisors is an integer number (249456692907).

Almost surely, 2^498913385813 is an apocalyptic number.

It is an amenable number.

498913385813 is a deficient number, since it is larger than the sum of its proper divisors (1).

498913385813 is an equidigital number, since it uses as much as digits as its factorization.

498913385813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22394880, while the sum is 62.

The spelling of 498913385813 in words is "four hundred ninety-eight billion, nine hundred thirteen million, three hundred eighty-five thousand, eight hundred thirteen".