13471759517 has 2 divisors, whose sum is σ = 13471759518. Its totient is φ = 13471759516.

The previous prime is 13471759489. The next prime is 13471759549. The reversal of 13471759517 is 71595717431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8565317401 + 4906442116 = 92549^2 + 70046^2 .

It is a cyclic number.

It is not a de Polignac number, because 13471759517 - 2¹⁴ = 13471743133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13471759117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6735879758 + 6735879759.

It is an arithmetic number, because the mean of its divisors is an integer number (6735879759).

Almost surely, 2^13471759517 is an apocalyptic number.

It is an amenable number.

13471759517 is a deficient number, since it is larger than the sum of its proper divisors (1).

13471759517 is an equidigital number, since it uses as much as digits as its factorization.

13471759517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 926100, while the sum is 50.

The spelling of 13471759517 in words is "thirteen billion, four hundred seventy-one million, seven hundred fifty-nine thousand, five hundred seventeen".