319678367945 has 8 divisors (see below), whose sum is σ = 383770825344. Its totient is φ = 255638171824.

The previous prime is 319678367933. The next prime is 319678367947. The reversal of 319678367945 is 549763876913.

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

It is a cyclic number.

It is not a de Polignac number, because 319678367945 - 2⁸ = 319678367689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (319678367947) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13051859 + ... + 13076328.

It is an arithmetic number, because the mean of its divisors is an integer number (47971353168).

Almost surely, 2^319678367945 is an apocalyptic number.

It is an amenable number.

319678367945 is a deficient number, since it is larger than the sum of its proper divisors (64092457399).

319678367945 is a wasteful number, since it uses less digits than its factorization.

319678367945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26130639.

The product of its digits is 205752960, while the sum is 68.

The spelling of 319678367945 in words is "three hundred nineteen billion, six hundred seventy-eight million, three hundred sixty-seven thousand, nine hundred forty-five".