2001701683717 has 2 divisors, whose sum is σ = 2001701683718. Its totient is φ = 2001701683716.

The previous prime is 2001701683699. The next prime is 2001701683823. The reversal of 2001701683717 is 7173861071002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2001415701796 + 285981921 = 1414714^2 + 16911^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001701683717 - 2¹⁹ = 2001701159429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001701683417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000850841858 + 1000850841859.

It is an arithmetic number, because the mean of its divisors is an integer number (1000850841859).

Almost surely, 2^{2001701683717} is an apocalyptic number.

It is an amenable number.

2001701683717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001701683717 is an equidigital number, since it uses as much as digits as its factorization.

2001701683717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 43.

The spelling of 2001701683717 in words is "two trillion, one billion, seven hundred one million, six hundred eighty-three thousand, seven hundred seventeen".