500549998513 has 2 divisors, whose sum is σ = 500549998514. Its totient is φ = 500549998512.

The previous prime is 500549998441. The next prime is 500549998523. The reversal of 500549998513 is 315899945005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 325940511744 + 174609486769 = 570912^2 + 417863^2 .

It is a cyclic number.

It is not a de Polignac number, because 500549998513 - 2¹³ = 500549990321 is a prime.

It is a super-2 number, since 2×500549998513² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (500549998523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250274999256 + 250274999257.

It is an arithmetic number, because the mean of its divisors is an integer number (250274999257).

Almost surely, 2^500549998513 is an apocalyptic number.

It is an amenable number.

500549998513 is a deficient number, since it is larger than the sum of its proper divisors (1).

500549998513 is an equidigital number, since it uses as much as digits as its factorization.

500549998513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748000, while the sum is 58.

The spelling of 500549998513 in words is "five hundred billion, five hundred forty-nine million, nine hundred ninety-eight thousand, five hundred thirteen".