6468344177 has 2 divisors, whose sum is σ = 6468344178. Its totient is φ = 6468344176.

The previous prime is 6468344149. The next prime is 6468344189. The reversal of 6468344177 is 7714438646.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5171191921 + 1297152256 = 71911^2 + 36016^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6468344177 is a prime.

It is not a weakly prime, because it can be changed into another prime (6468344677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3234172088 + 3234172089.

It is an arithmetic number, because the mean of its divisors is an integer number (3234172089).

Almost surely, 2^6468344177 is an apocalyptic number.

It is an amenable number.

6468344177 is a deficient number, since it is larger than the sum of its proper divisors (1).

6468344177 is an equidigital number, since it uses as much as digits as its factorization.

6468344177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 50.

The square root of 6468344177 is about 80426.0167918317. The cubic root of 6468344177 is about 1863.2210131707.

The spelling of 6468344177 in words is "six billion, four hundred sixty-eight million, three hundred forty-four thousand, one hundred seventy-seven".