13170585709 has 2 divisors, whose sum is σ = 13170585710. Its totient is φ = 13170585708.

The previous prime is 13170585707. The next prime is 13170585719. The reversal of 13170585709 is 90758507131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12067681609 + 1102904100 = 109853^2 + 33210^2 .

It is a cyclic number.

It is not a de Polignac number, because 13170585709 - 2¹ = 13170585707 is a prime.

Together with 13170585707, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13170585707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6585292854 + 6585292855.

It is an arithmetic number, because the mean of its divisors is an integer number (6585292855).

Almost surely, 2^13170585709 is an apocalyptic number.

It is an amenable number.

13170585709 is a deficient number, since it is larger than the sum of its proper divisors (1).

13170585709 is an equidigital number, since it uses as much as digits as its factorization.

13170585709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 46.

The spelling of 13170585709 in words is "thirteen billion, one hundred seventy million, five hundred eighty-five thousand, seven hundred nine".