51016012604633 has 2 divisors, whose sum is σ = 51016012604634. Its totient is φ = 51016012604632.

The previous prime is 51016012604591. The next prime is 51016012604693. The reversal of 51016012604633 is 33640621061015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27428400007369 + 23587612597264 = 5237213^2 + 4856708^2 .

It is a cyclic number.

It is not a de Polignac number, because 51016012604633 - 2¹⁴ = 51016012588249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (51016012604693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25508006302316 + 25508006302317.

It is an arithmetic number, because the mean of its divisors is an integer number (25508006302317).

Almost surely, 2^{51016012604633} is an apocalyptic number.

It is an amenable number.

51016012604633 is a deficient number, since it is larger than the sum of its proper divisors (1).

51016012604633 is an equidigital number, since it uses as much as digits as its factorization.

51016012604633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

Adding to 51016012604633 its reverse (33640621061015), we get a palindrome (84656633665648).

The spelling of 51016012604633 in words is "fifty-one trillion, sixteen billion, twelve million, six hundred four thousand, six hundred thirty-three".