1968022089353 has 2 divisors, whose sum is σ = 1968022089354. Its totient is φ = 1968022089352.

The previous prime is 1968022089347. The next prime is 1968022089419. The reversal of 1968022089353 is 3539802208691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1670264157769 + 297757931584 = 1292387^2 + 545672^2 .

It is a cyclic number.

It is not a de Polignac number, because 1968022089353 - 2²⁸ = 1967753653897 is a prime.

It is a super-2 number, since 2×1968022089353² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1968022089953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 984011044676 + 984011044677.

It is an arithmetic number, because the mean of its divisors is an integer number (984011044677).

Almost surely, 2^{1968022089353} is an apocalyptic number.

It is an amenable number.

1968022089353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1968022089353 is an equidigital number, since it uses as much as digits as its factorization.

1968022089353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 1968022089353 in words is "one trillion, nine hundred sixty-eight billion, twenty-two million, eighty-nine thousand, three hundred fifty-three".