1712653513217 has 2 divisors, whose sum is σ = 1712653513218. Its totient is φ = 1712653513216.

The previous prime is 1712653513147. The next prime is 1712653513231. The reversal of 1712653513217 is 7123153562171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1124439676816 + 588213836401 = 1060396^2 + 766951^2 .

It is a cyclic number.

It is not a de Polignac number, because 1712653513217 - 2⁸ = 1712653512961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1712653513717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 856326756608 + 856326756609.

It is an arithmetic number, because the mean of its divisors is an integer number (856326756609).

Almost surely, 2^{1712653513217} is an apocalyptic number.

It is an amenable number.

1712653513217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1712653513217 is an equidigital number, since it uses as much as digits as its factorization.

1712653513217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264600, while the sum is 44.

The spelling of 1712653513217 in words is "one trillion, seven hundred twelve billion, six hundred fifty-three million, five hundred thirteen thousand, two hundred seventeen".