51206460229 has 2 divisors, whose sum is σ = 51206460230. Its totient is φ = 51206460228.

The previous prime is 51206460209. The next prime is 51206460233. The reversal of 51206460229 is 92206460215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49102128100 + 2104332129 = 221590^2 + 45873^2 .

It is a cyclic number.

It is not a de Polignac number, because 51206460229 - 2⁷ = 51206460101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51206460209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25603230114 + 25603230115.

It is an arithmetic number, because the mean of its divisors is an integer number (25603230115).

Almost surely, 2^51206460229 is an apocalyptic number.

It is an amenable number.

51206460229 is a deficient number, since it is larger than the sum of its proper divisors (1).

51206460229 is an equidigital number, since it uses as much as digits as its factorization.

51206460229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 51206460229 in words is "fifty-one billion, two hundred six million, four hundred sixty thousand, two hundred twenty-nine".