51766176013 has 2 divisors, whose sum is σ = 51766176014. Its totient is φ = 51766176012.

The previous prime is 51766175977. The next prime is 51766176071. The reversal of 51766176013 is 31067166715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40997340484 + 10768835529 = 202478^2 + 103773^2 .

It is a cyclic number.

It is not a de Polignac number, because 51766176013 - 2⁹ = 51766175501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51766176073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25883088006 + 25883088007.

It is an arithmetic number, because the mean of its divisors is an integer number (25883088007).

Almost surely, 2^51766176013 is an apocalyptic number.

It is an amenable number.

51766176013 is a deficient number, since it is larger than the sum of its proper divisors (1).

51766176013 is an equidigital number, since it uses as much as digits as its factorization.

51766176013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 43.

The spelling of 51766176013 in words is "fifty-one billion, seven hundred sixty-six million, one hundred seventy-six thousand, thirteen".