1960659666313 has 2 divisors, whose sum is σ = 1960659666314. Its totient is φ = 1960659666312.

The previous prime is 1960659666283. The next prime is 1960659666353. The reversal of 1960659666313 is 3136669560691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1382348087289 + 578311579024 = 1175733^2 + 760468^2 .

It is a cyclic number.

It is not a de Polignac number, because 1960659666313 - 2⁹ = 1960659665801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1960659666353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980329833156 + 980329833157.

It is an arithmetic number, because the mean of its divisors is an integer number (980329833157).

Almost surely, 2^{1960659666313} is an apocalyptic number.

It is an amenable number.

1960659666313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1960659666313 is an equidigital number, since it uses as much as digits as its factorization.

1960659666313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28343520, while the sum is 61.

The spelling of 1960659666313 in words is "one trillion, nine hundred sixty billion, six hundred fifty-nine million, six hundred sixty-six thousand, three hundred thirteen".