19679804319 has 8 divisors (see below), whose sum is σ = 29988273280. Its totient is φ = 11245602456.

The previous prime is 19679804297. The next prime is 19679804429. The reversal of 19679804319 is 91340897691.

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

It is not a de Polignac number, because 19679804319 - 2⁹ = 19679803807 is a prime.

It is a super-2 number, since 2×19679804319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19679804219) 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 in 7 ways as a sum of consecutive naturals, for example, 468566749 + ... + 468566790.

It is an arithmetic number, because the mean of its divisors is an integer number (3748534160).

Almost surely, 2^19679804319 is an apocalyptic number.

19679804319 is a deficient number, since it is larger than the sum of its proper divisors (10308468961).

19679804319 is an equidigital number, since it uses as much as digits as its factorization.

19679804319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937133549.

The product of its (nonzero) digits is 2939328, while the sum is 57.

The spelling of 19679804319 in words is "nineteen billion, six hundred seventy-nine million, eight hundred four thousand, three hundred nineteen".