51713565666341 has 2 divisors, whose sum is σ = 51713565666342. Its totient is φ = 51713565666340.

The previous prime is 51713565666317. The next prime is 51713565666419. The reversal of 51713565666341 is 14366656531715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47316114726241 + 4397450940100 = 6878671^2 + 2097010^2 .

It is a cyclic number.

It is not a de Polignac number, because 51713565666341 - 2³⁰ = 51712491924517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51713565665341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25856782833170 + 25856782833171.

It is an arithmetic number, because the mean of its divisors is an integer number (25856782833171).

Almost surely, 2^{51713565666341} is an apocalyptic number.

It is an amenable number.

51713565666341 is a deficient number, since it is larger than the sum of its proper divisors (1).

51713565666341 is an equidigital number, since it uses as much as digits as its factorization.

51713565666341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824000, while the sum is 59.

The spelling of 51713565666341 in words is "fifty-one trillion, seven hundred thirteen billion, five hundred sixty-five million, six hundred sixty-six thousand, three hundred forty-one".