1968384694 has 8 divisors (see below), whose sum is σ = 2952816048. Its totient is φ = 984112680.

The previous prime is 1968384601. The next prime is 1968384713. The reversal of 1968384694 is 4964838691.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1617 + ... + 62764.

It is an arithmetic number, because the mean of its divisors is an integer number (369102006).

Almost surely, 2^1968384694 is an apocalyptic number.

1968384694 is a deficient number, since it is larger than the sum of its proper divisors (984431354).

1968384694 is a wasteful number, since it uses less digits than its factorization.

1968384694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79670.

The product of its digits is 8957952, while the sum is 58.

The square root of 1968384694 is about 44366.4816500024. The cubic root of 1968384694 is about 1253.2469598851.

The spelling of 1968384694 in words is "one billion, nine hundred sixty-eight million, three hundred eighty-four thousand, six hundred ninety-four".