47167...14213 (28-digits) 
This number is a prime.
                                              47167162 6534154323 0394614213  
 The smallest Perfect Digital Invariant (PDI) which is also prime and equal to the sum of the 29th power of its digits.  [Gupta]
 
The smallest Perfect Digital Invariant (PDI) which is also prime and equal to the sum of the 29th power of its digits.  [Gupta]
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