1968960996971 has 2 divisors, whose sum is σ = 1968960996972. Its totient is φ = 1968960996970.

The previous prime is 1968960996967. The next prime is 1968960997007. The reversal of 1968960996971 is 1796990698691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1968960996971 - 2² = 1968960996967 is a prime.

It is not a weakly prime, because it can be changed into another prime (1968960996911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 984480498485 + 984480498486.

It is an arithmetic number, because the mean of its divisors is an integer number (984480498486).

Almost surely, 2^{1968960996971} is an apocalyptic number.

1968960996971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1968960996971 is an equidigital number, since it uses as much as digits as its factorization.

1968960996971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 714256704, while the sum is 80.

The spelling of 1968960996971 in words is "one trillion, nine hundred sixty-eight billion, nine hundred sixty million, nine hundred ninety-six thousand, nine hundred seventy-one".