6418716438073 has 2 divisors, whose sum is σ = 6418716438074. Its totient is φ = 6418716438072.

The previous prime is 6418716438053. The next prime is 6418716438097. The reversal of 6418716438073 is 3708346178146.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5265386497449 + 1153329940624 = 2294643^2 + 1073932^2 .

It is a cyclic number.

It is not a de Polignac number, because 6418716438073 - 2⁵ = 6418716438041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6418716437999 and 6418716438017.

It is not a weakly prime, because it can be changed into another prime (6418716438053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3209358219036 + 3209358219037.

It is an arithmetic number, because the mean of its divisors is an integer number (3209358219037).

Almost surely, 2^{6418716438073} is an apocalyptic number.

It is an amenable number.

6418716438073 is a deficient number, since it is larger than the sum of its proper divisors (1).

6418716438073 is an equidigital number, since it uses as much as digits as its factorization.

6418716438073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16257024, while the sum is 58.

The spelling of 6418716438073 in words is "six trillion, four hundred eighteen billion, seven hundred sixteen million, four hundred thirty-eight thousand, seventy-three".