51303430337 has 2 divisors, whose sum is σ = 51303430338. Its totient is φ = 51303430336.

The previous prime is 51303430313. The next prime is 51303430351. The reversal of 51303430337 is 73303430315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45375816256 + 5927614081 = 213016^2 + 76991^2 .

It is a cyclic number.

It is not a de Polignac number, because 51303430337 - 2⁸ = 51303430081 is a prime.

It is not a weakly prime, because it can be changed into another prime (51303430307) 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, 25651715168 + 25651715169.

It is an arithmetic number, because the mean of its divisors is an integer number (25651715169).

Almost surely, 2^51303430337 is an apocalyptic number.

It is an amenable number.

51303430337 is a deficient number, since it is larger than the sum of its proper divisors (1).

51303430337 is an equidigital number, since it uses as much as digits as its factorization.

51303430337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 32.

The spelling of 51303430337 in words is "fifty-one billion, three hundred three million, four hundred thirty thousand, three hundred thirty-seven".