51410816284691 has 2 divisors, whose sum is σ = 51410816284692. Its totient is φ = 51410816284690.

The previous prime is 51410816284679. The next prime is 51410816284699. The reversal of 51410816284691 is 19648261801415.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51410816284691 is a prime.

It is not a weakly prime, because it can be changed into another prime (51410816284699) 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, 25705408142345 + 25705408142346.

It is an arithmetic number, because the mean of its divisors is an integer number (25705408142346).

Almost surely, 2^{51410816284691} is an apocalyptic number.

51410816284691 is a deficient number, since it is larger than the sum of its proper divisors (1).

51410816284691 is an equidigital number, since it uses as much as digits as its factorization.

51410816284691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3317760, while the sum is 56.

The spelling of 51410816284691 in words is "fifty-one trillion, four hundred ten billion, eight hundred sixteen million, two hundred eighty-four thousand, six hundred ninety-one".