1960342661 has 2 divisors, whose sum is σ = 1960342662. Its totient is φ = 1960342660.

The previous prime is 1960342649. The next prime is 1960342679. The reversal of 1960342661 is 1662430691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1187836225 + 772506436 = 34465^2 + 27794^2 .

It is an emirp because it is prime and its reverse (1662430691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1960342661 - 2⁶ = 1960342597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1960342361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980171330 + 980171331.

It is an arithmetic number, because the mean of its divisors is an integer number (980171331).

Almost surely, 2^1960342661 is an apocalyptic number.

It is an amenable number.

1960342661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1960342661 is an equidigital number, since it uses as much as digits as its factorization.

1960342661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 1960342661 is about 44275.7570347476. The cubic root of 1960342661 is about 1251.5378748568.

The spelling of 1960342661 in words is "one billion, nine hundred sixty million, three hundred forty-two thousand, six hundred sixty-one".