498739230080813 has 2 divisors, whose sum is σ = 498739230080814. Its totient is φ = 498739230080812.

The previous prime is 498739230080737. The next prime is 498739230080887. The reversal of 498739230080813 is 318080032937894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 467239264655524 + 31499965425289 = 21615718^2 + 5612483^2 .

It is a cyclic number.

It is not a de Polignac number, because 498739230080813 - 2¹⁰ = 498739230079789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 498739230080813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498739230080893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249369615040406 + 249369615040407.

It is an arithmetic number, because the mean of its divisors is an integer number (249369615040407).

Almost surely, 2^{498739230080813} is an apocalyptic number.

It is an amenable number.

498739230080813 is a deficient number, since it is larger than the sum of its proper divisors (1).

498739230080813 is an equidigital number, since it uses as much as digits as its factorization.

498739230080813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62705664, while the sum is 65.

The spelling of 498739230080813 in words is "four hundred ninety-eight trillion, seven hundred thirty-nine billion, two hundred thirty million, eighty thousand, eight hundred thirteen".