51450044456273 has 2 divisors, whose sum is σ = 51450044456274. Its totient is φ = 51450044456272.

The previous prime is 51450044456269. The next prime is 51450044456333. The reversal of 51450044456273 is 37265444005415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51124616421904 + 325428034369 = 7150148^2 + 570463^2 .

It is a cyclic number.

It is not a de Polignac number, because 51450044456273 - 2² = 51450044456269 is a prime.

It is not a weakly prime, because it can be changed into another prime (51450044456233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25725022228136 + 25725022228137.

It is an arithmetic number, because the mean of its divisors is an integer number (25725022228137).

Almost surely, 2^{51450044456273} is an apocalyptic number.

It is an amenable number.

51450044456273 is a deficient number, since it is larger than the sum of its proper divisors (1).

51450044456273 is an equidigital number, since it uses as much as digits as its factorization.

51450044456273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064000, while the sum is 50.

The spelling of 51450044456273 in words is "fifty-one trillion, four hundred fifty billion, forty-four million, four hundred fifty-six thousand, two hundred seventy-three".