500402421613 has 2 divisors, whose sum is σ = 500402421614. Its totient is φ = 500402421612.

The previous prime is 500402421599. The next prime is 500402421619. The reversal of 500402421613 is 316124204005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 325626585769 + 174775835844 = 570637^2 + 418062^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-500402421613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500402421619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250201210806 + 250201210807.

It is an arithmetic number, because the mean of its divisors is an integer number (250201210807).

Almost surely, 2^500402421613 is an apocalyptic number.

It is an amenable number.

500402421613 is a deficient number, since it is larger than the sum of its proper divisors (1).

500402421613 is an equidigital number, since it uses as much as digits as its factorization.

500402421613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 500402421613 its reverse (316124204005), we get a palindrome (816526625618).

The spelling of 500402421613 in words is "five hundred billion, four hundred two million, four hundred twenty-one thousand, six hundred thirteen".