5071718009 has 2 divisors, whose sum is σ = 5071718010. Its totient is φ = 5071718008.

The previous prime is 5071717991. The next prime is 5071718101. The reversal of 5071718009 is 9008171705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4832335225 + 239382784 = 69515^2 + 15472^2 .

It is a cyclic number.

It is not a de Polignac number, because 5071718009 - 2¹⁶ = 5071652473 is a prime.

It is not a weakly prime, because it can be changed into another prime (5071718209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2535859004 + 2535859005.

It is an arithmetic number, because the mean of its divisors is an integer number (2535859005).

Almost surely, 2^5071718009 is an apocalyptic number.

It is an amenable number.

5071718009 is a deficient number, since it is larger than the sum of its proper divisors (1).

5071718009 is an equidigital number, since it uses as much as digits as its factorization.

5071718009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 38.

The square root of 5071718009 is about 71215.9954574813. The cubic root of 5071718009 is about 1718.1129034017.

The spelling of 5071718009 in words is "five billion, seventy-one million, seven hundred eighteen thousand, nine".