1968092640863 has 2 divisors, whose sum is σ = 1968092640864. Its totient is φ = 1968092640862.

The previous prime is 1968092640859. The next prime is 1968092640919. The reversal of 1968092640863 is 3680462908691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1968092640863 - 2² = 1968092640859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1968092640796 and 1968092640805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1968092640803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 984046320431 + 984046320432.

It is an arithmetic number, because the mean of its divisors is an integer number (984046320432).

Almost surely, 2^{1968092640863} is an apocalyptic number.

1968092640863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1968092640863 is an equidigital number, since it uses as much as digits as its factorization.

1968092640863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26873856, while the sum is 62.

The spelling of 1968092640863 in words is "one trillion, nine hundred sixty-eight billion, ninety-two million, six hundred forty thousand, eight hundred sixty-three".