51345060433663 has 2 divisors, whose sum is σ = 51345060433664. Its totient is φ = 51345060433662.

The previous prime is 51345060433627. The next prime is 51345060433727. The reversal of 51345060433663 is 36633406054315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51345060433663 - 2⁹ = 51345060433151 is a prime.

It is a super-3 number, since 3×51345060433663³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51345060437663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25672530216831 + 25672530216832.

It is an arithmetic number, because the mean of its divisors is an integer number (25672530216832).

Almost surely, 2^{51345060433663} is an apocalyptic number.

51345060433663 is a deficient number, since it is larger than the sum of its proper divisors (1).

51345060433663 is an equidigital number, since it uses as much as digits as its factorization.

51345060433663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6998400, while the sum is 49.

Adding to 51345060433663 its reverse (36633406054315), we get a palindrome (87978466487978).

The spelling of 51345060433663 in words is "fifty-one trillion, three hundred forty-five billion, sixty million, four hundred thirty-three thousand, six hundred sixty-three".