19314320968 has 8 divisors (see below), whose sum is σ = 36214351830. Its totient is φ = 9657160480.

The previous prime is 19314320939. The next prime is 19314321023. The reversal of 19314320968 is 86902341391.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13581105444 + 5733215524 = 116538^2 + 75718^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1207145053 + ... + 1207145068.

Almost surely, 2^19314320968 is an apocalyptic number.

It is an amenable number.

19314320968 is a deficient number, since it is larger than the sum of its proper divisors (16900030862).

19314320968 is a wasteful number, since it uses less digits than its factorization.

19314320968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414290127 (or 2414290123 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 19314320968 in words is "nineteen billion, three hundred fourteen million, three hundred twenty thousand, nine hundred sixty-eight".