5173651403273 has 2 divisors, whose sum is σ = 5173651403274. Its totient is φ = 5173651403272.

The previous prime is 5173651403237. The next prime is 5173651403317. The reversal of 5173651403273 is 3723041563715.

Together with previous prime (5173651403237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3565556039824 + 1608095363449 = 1888268^2 + 1268107^2 .

It is a cyclic number.

It is not a de Polignac number, because 5173651403273 - 2⁶ = 5173651403209 is a prime.

It is a super-2 number, since 2×5173651403273² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5173651403873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2586825701636 + 2586825701637.

It is an arithmetic number, because the mean of its divisors is an integer number (2586825701637).

Almost surely, 2^{5173651403273} is an apocalyptic number.

It is an amenable number.

5173651403273 is a deficient number, since it is larger than the sum of its proper divisors (1).

5173651403273 is an equidigital number, since it uses as much as digits as its factorization.

5173651403273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1587600, while the sum is 47.

Adding to 5173651403273 its reverse (3723041563715), we get a palindrome (8896692966988).

The spelling of 5173651403273 in words is "five trillion, one hundred seventy-three billion, six hundred fifty-one million, four hundred three thousand, two hundred seventy-three".