51295434941 has 2 divisors, whose sum is σ = 51295434942. Its totient is φ = 51295434940.

The previous prime is 51295434899. The next prime is 51295434947. The reversal of 51295434941 is 14943459215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51279602500 + 15832441 = 226450^2 + 3979^2 .

It is a cyclic number.

It is not a de Polignac number, because 51295434941 - 2³⁰ = 50221693117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51295434947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25647717470 + 25647717471.

It is an arithmetic number, because the mean of its divisors is an integer number (25647717471).

Almost surely, 2^51295434941 is an apocalyptic number.

It is an amenable number.

51295434941 is a deficient number, since it is larger than the sum of its proper divisors (1).

51295434941 is an equidigital number, since it uses as much as digits as its factorization.

51295434941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 47.

The spelling of 51295434941 in words is "fifty-one billion, two hundred ninety-five million, four hundred thirty-four thousand, nine hundred forty-one".