51046344361 has 2 divisors, whose sum is σ = 51046344362. Its totient is φ = 51046344360.

The previous prime is 51046344331. The next prime is 51046344367. The reversal of 51046344361 is 16344364015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48155669136 + 2890675225 = 219444^2 + 53765^2 .

It is a cyclic number.

It is not a de Polignac number, because 51046344361 - 2¹⁵ = 51046311593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51046344361.

It is not a weakly prime, because it can be changed into another prime (51046344367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25523172180 + 25523172181.

It is an arithmetic number, because the mean of its divisors is an integer number (25523172181).

Almost surely, 2^51046344361 is an apocalyptic number.

It is an amenable number.

51046344361 is a deficient number, since it is larger than the sum of its proper divisors (1).

51046344361 is an equidigital number, since it uses as much as digits as its factorization.

51046344361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 51046344361 in words is "fifty-one billion, forty-six million, three hundred forty-four thousand, three hundred sixty-one".