5206021344913 has 2 divisors, whose sum is σ = 5206021344914. Its totient is φ = 5206021344912.

The previous prime is 5206021344911. The next prime is 5206021344971. The reversal of 5206021344913 is 3194431206025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4105437811344 + 1100583533569 = 2026188^2 + 1049087^2 .

It is a cyclic number.

It is not a de Polignac number, because 5206021344913 - 2¹ = 5206021344911 is a prime.

It is a super-2 number, since 2×5206021344913² (a number of 26 digits) contains 22 as substring.

Together with 5206021344911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5206021344911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2603010672456 + 2603010672457.

It is an arithmetic number, because the mean of its divisors is an integer number (2603010672457).

Almost surely, 2^{5206021344913} is an apocalyptic number.

It is an amenable number.

5206021344913 is a deficient number, since it is larger than the sum of its proper divisors (1).

5206021344913 is an equidigital number, since it uses as much as digits as its factorization.

5206021344913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 5206021344913 in words is "five trillion, two hundred six billion, twenty-one million, three hundred forty-four thousand, nine hundred thirteen".