5173318663 has 2 divisors, whose sum is σ = 5173318664. Its totient is φ = 5173318662.

The previous prime is 5173318639. The next prime is 5173318679. The reversal of 5173318663 is 3668133715.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5173318663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5173318693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2586659331 + 2586659332.

It is an arithmetic number, because the mean of its divisors is an integer number (2586659332).

Almost surely, 2^5173318663 is an apocalyptic number.

5173318663 is a deficient number, since it is larger than the sum of its proper divisors (1).

5173318663 is an equidigital number, since it uses as much as digits as its factorization.

5173318663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 5173318663 is about 71925.7858003651. The cubic root of 5173318663 is about 1729.5099977711.

The spelling of 5173318663 in words is "five billion, one hundred seventy-three million, three hundred eighteen thousand, six hundred sixty-three".