5171711749 has 2 divisors, whose sum is σ = 5171711750. Its totient is φ = 5171711748.

The previous prime is 5171711641. The next prime is 5171711861. The reversal of 5171711749 is 9471171715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5067304225 + 104407524 = 71185^2 + 10218^2 .

It is a cyclic number.

It is not a de Polignac number, because 5171711749 - 2¹⁷ = 5171580677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5171781749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2585855874 + 2585855875.

It is an arithmetic number, because the mean of its divisors is an integer number (2585855875).

Almost surely, 2^5171711749 is an apocalyptic number.

It is an amenable number.

5171711749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5171711749 is an equidigital number, since it uses as much as digits as its factorization.

5171711749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61740, while the sum is 43.

The square root of 5171711749 is about 71914.6142936191. The cubic root of 5171711749 is about 1729.3309082407.

The spelling of 5171711749 in words is "five billion, one hundred seventy-one million, seven hundred eleven thousand, seven hundred forty-nine".