1968273319 has 2 divisors, whose sum is σ = 1968273320. Its totient is φ = 1968273318.

The previous prime is 1968273287. The next prime is 1968273331. The reversal of 1968273319 is 9133728691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1968273319 - 2⁵ = 1968273287 is a prime.

It is a super-2 number, since 2×1968273319² = 7748199716574551522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1968273119) 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, 984136659 + 984136660.

It is an arithmetic number, because the mean of its divisors is an integer number (984136660).

Almost surely, 2^1968273319 is an apocalyptic number.

1968273319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1968273319 is an equidigital number, since it uses as much as digits as its factorization.

1968273319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 49.

The square root of 1968273319 is about 44365.2264617234. The cubic root of 1968273319 is about 1253.2233223964.

The spelling of 1968273319 in words is "one billion, nine hundred sixty-eight million, two hundred seventy-three thousand, three hundred nineteen".