5173641647 has 2 divisors, whose sum is σ = 5173641648. Its totient is φ = 5173641646.

The previous prime is 5173641611. The next prime is 5173641653. The reversal of 5173641647 is 7461463715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5173641647 - 2⁸ = 5173641391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5173641598 and 5173641607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5173641947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2586820823 + 2586820824.

It is an arithmetic number, because the mean of its divisors is an integer number (2586820824).

Almost surely, 2^5173641647 is an apocalyptic number.

5173641647 is a deficient number, since it is larger than the sum of its proper divisors (1).

5173641647 is an equidigital number, since it uses as much as digits as its factorization.

5173641647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The square root of 5173641647 is about 71928.0310240729. The cubic root of 5173641647 is about 1729.5459896536.

The spelling of 5173641647 in words is "five billion, one hundred seventy-three million, six hundred forty-one thousand, six hundred forty-seven".