52171904419169 has 2 divisors, whose sum is σ = 52171904419170. Its totient is φ = 52171904419168.

The previous prime is 52171904419163. The next prime is 52171904419171. The reversal of 52171904419169 is 96191440917125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49536428156944 + 2635476262225 = 7038212^2 + 1623415^2 .

It is a cyclic number.

It is not a de Polignac number, because 52171904419169 - 2⁴⁴ = 34579718374753 is a prime.

It is a super-3 number, since 3×52171904419169³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 52171904419171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52171904419163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26085952209584 + 26085952209585.

It is an arithmetic number, because the mean of its divisors is an integer number (26085952209585).

Almost surely, 2^{52171904419169} is an apocalyptic number.

It is an amenable number.

52171904419169 is a deficient number, since it is larger than the sum of its proper divisors (1).

52171904419169 is an equidigital number, since it uses as much as digits as its factorization.

52171904419169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4898880, while the sum is 59.

The spelling of 52171904419169 in words is "fifty-two trillion, one hundred seventy-one billion, nine hundred four million, four hundred nineteen thousand, one hundred sixty-nine".