51928076969 has 2 divisors, whose sum is σ = 51928076970. Its totient is φ = 51928076968.

The previous prime is 51928076951. The next prime is 51928076989. The reversal of 51928076969 is 96967082915.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44063047744 + 7865029225 = 209912^2 + 88685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51928076969 is a prime.

It is a super-2 number, since 2×51928076969² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51928076989) 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, 25964038484 + 25964038485.

It is an arithmetic number, because the mean of its divisors is an integer number (25964038485).

Almost surely, 2^51928076969 is an apocalyptic number.

It is an amenable number.

51928076969 is a deficient number, since it is larger than the sum of its proper divisors (1).

51928076969 is an equidigital number, since it uses as much as digits as its factorization.

51928076969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14696640, while the sum is 62.

The spelling of 51928076969 in words is "fifty-one billion, nine hundred twenty-eight million, seventy-six thousand, nine hundred sixty-nine".