5171666885453 has 2 divisors, whose sum is σ = 5171666885454. Its totient is φ = 5171666885452.

The previous prime is 5171666885377. The next prime is 5171666885459. The reversal of 5171666885453 is 3545886661715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2941026063364 + 2230640822089 = 1714942^2 + 1493533^2 .

It is a cyclic number.

It is not a de Polignac number, because 5171666885453 - 2¹⁸ = 5171666623309 is a prime.

It is a super-2 number, since 2×5171666885453² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5171666885453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5171666885459) 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, 2585833442726 + 2585833442727.

It is an arithmetic number, because the mean of its divisors is an integer number (2585833442727).

Almost surely, 2^{5171666885453} is an apocalyptic number.

It is an amenable number.

5171666885453 is a deficient number, since it is larger than the sum of its proper divisors (1).

5171666885453 is an equidigital number, since it uses as much as digits as its factorization.

5171666885453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152000, while the sum is 65.

The spelling of 5171666885453 in words is "five trillion, one hundred seventy-one billion, six hundred sixty-six million, eight hundred eighty-five thousand, four hundred fifty-three".