1712646634661 has 2 divisors, whose sum is σ = 1712646634662. Its totient is φ = 1712646634660.

The previous prime is 1712646634613. The next prime is 1712646634693. The reversal of 1712646634661 is 1664366462171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1710356533636 + 2290101025 = 1307806^2 + 47855^2 .

It is a cyclic number.

It is not a de Polignac number, because 1712646634661 - 2¹⁸ = 1712646372517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1712646633661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 856323317330 + 856323317331.

It is an arithmetic number, because the mean of its divisors is an integer number (856323317331).

Almost surely, 2^{1712646634661} is an apocalyptic number.

It is an amenable number.

1712646634661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1712646634661 is an equidigital number, since it uses as much as digits as its factorization.

1712646634661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 53.

The spelling of 1712646634661 in words is "one trillion, seven hundred twelve billion, six hundred forty-six million, six hundred thirty-four thousand, six hundred sixty-one".