51333424341643 has 2 divisors, whose sum is σ = 51333424341644. Its totient is φ = 51333424341642.

The previous prime is 51333424341623. The next prime is 51333424341713. The reversal of 51333424341643 is 34614342433315.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51333424341643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51333424341593 and 51333424341602.

It is not a weakly prime, because it can be changed into another prime (51333424341623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25666712170821 + 25666712170822.

It is an arithmetic number, because the mean of its divisors is an integer number (25666712170822).

Almost surely, 2^{51333424341643} is an apocalyptic number.

51333424341643 is a deficient number, since it is larger than the sum of its proper divisors (1).

51333424341643 is an equidigital number, since it uses as much as digits as its factorization.

51333424341643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 46.

Adding to 51333424341643 its reverse (34614342433315), we get a palindrome (85947766774958).

The spelling of 51333424341643 in words is "fifty-one trillion, three hundred thirty-three billion, four hundred twenty-four million, three hundred forty-one thousand, six hundred forty-three".