1960963768991 has 2 divisors, whose sum is σ = 1960963768992. Its totient is φ = 1960963768990.

The previous prime is 1960963768949. The next prime is 1960963769003. The reversal of 1960963768991 is 1998673690691.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1960963768991 - 2³⁴ = 1943783899807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1960963765991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980481884495 + 980481884496.

It is an arithmetic number, because the mean of its divisors is an integer number (980481884496).

Almost surely, 2^{1960963768991} is an apocalyptic number.

1960963768991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1960963768991 is an equidigital number, since it uses as much as digits as its factorization.

1960963768991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238085568, while the sum is 74.

The spelling of 1960963768991 in words is "one trillion, nine hundred sixty billion, nine hundred sixty-three million, seven hundred sixty-eight thousand, nine hundred ninety-one".