5246813609209 has 2 divisors, whose sum is σ = 5246813609210. Its totient is φ = 5246813609208.

The previous prime is 5246813609171. The next prime is 5246813609327. The reversal of 5246813609209 is 9029063186425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3340834562025 + 1905979047184 = 1827795^2 + 1380572^2 .

It is a cyclic number.

It is not a de Polignac number, because 5246813609209 - 2¹⁵ = 5246813576441 is a prime.

It is a super-3 number, since 3×5246813609209³ (a number of 39 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5246813609209.

It is not a weakly prime, because it can be changed into another prime (5246813609809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2623406804604 + 2623406804605.

It is an arithmetic number, because the mean of its divisors is an integer number (2623406804605).

Almost surely, 2^{5246813609209} is an apocalyptic number.

It is an amenable number.

5246813609209 is a deficient number, since it is larger than the sum of its proper divisors (1).

5246813609209 is an equidigital number, since it uses as much as digits as its factorization.

5246813609209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 5246813609209 in words is "five trillion, two hundred forty-six billion, eight hundred thirteen million, six hundred nine thousand, two hundred nine".