51886272829 has 2 divisors, whose sum is σ = 51886272830. Its totient is φ = 51886272828.

The previous prime is 51886272791. The next prime is 51886272833. The reversal of 51886272829 is 92827268815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36788007204 + 15098265625 = 191802^2 + 122875^2 .

It is a cyclic number.

It is not a de Polignac number, because 51886272829 - 2¹¹ = 51886270781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51886272839) 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, 25943136414 + 25943136415.

It is an arithmetic number, because the mean of its divisors is an integer number (25943136415).

Almost surely, 2^51886272829 is an apocalyptic number.

It is an amenable number.

51886272829 is a deficient number, since it is larger than the sum of its proper divisors (1).

51886272829 is an equidigital number, since it uses as much as digits as its factorization.

51886272829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7741440, while the sum is 58.

The spelling of 51886272829 in words is "fifty-one billion, eight hundred eighty-six million, two hundred seventy-two thousand, eight hundred twenty-nine".