1968075719 has 2 divisors, whose sum is σ = 1968075720. Its totient is φ = 1968075718.

The previous prime is 1968075671. The next prime is 1968075721. The reversal of 1968075719 is 9175708691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1968075719 - 2¹⁶ = 1968010183 is a prime.

It is a super-2 number, since 2×1968075719² = 7746644071434733922, which contains 22 as substring.

Together with 1968075721, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1968075919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 984037859 + 984037860.

It is an arithmetic number, because the mean of its divisors is an integer number (984037860).

Almost surely, 2^1968075719 is an apocalyptic number.

1968075719 is a deficient number, since it is larger than the sum of its proper divisors (1).

1968075719 is an equidigital number, since it uses as much as digits as its factorization.

1968075719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 53.

The square root of 1968075719 is about 44362.9994364673. Note that the first 3 decimals coincide. The cubic root of 1968075719 is about 1253.1813828931.

The spelling of 1968075719 in words is "one billion, nine hundred sixty-eight million, seventy-five thousand, seven hundred nineteen".