51352129937 has 2 divisors, whose sum is σ = 51352129938. Its totient is φ = 51352129936.

The previous prime is 51352129931. The next prime is 51352129949. The reversal of 51352129937 is 73992125315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41550337921 + 9801792016 = 203839^2 + 99004^2 .

It is a cyclic number.

It is not a de Polignac number, because 51352129937 - 2²⁰ = 51351081361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51352129891 and 51352129900.

It is not a weakly prime, because it can be changed into another prime (51352129931) 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, 25676064968 + 25676064969.

It is an arithmetic number, because the mean of its divisors is an integer number (25676064969).

Almost surely, 2^51352129937 is an apocalyptic number.

It is an amenable number.

51352129937 is a deficient number, since it is larger than the sum of its proper divisors (1).

51352129937 is an equidigital number, since it uses as much as digits as its factorization.

51352129937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 510300, while the sum is 47.

The spelling of 51352129937 in words is "fifty-one billion, three hundred fifty-two million, one hundred twenty-nine thousand, nine hundred thirty-seven".