19079245321 has 4 divisors (see below), whose sum is σ = 19079701200. Its totient is φ = 19078789444.

The previous prime is 19079245279. The next prime is 19079245343. The reversal of 19079245321 is 12354297091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12354297091 = 5381 ⋅2295911.

It is a cyclic number.

It is not a de Polignac number, because 19079245321 - 2¹¹ = 19079243273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19079245351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158011 + ... + 251248.

It is an arithmetic number, because the mean of its divisors is an integer number (4769925300).

Almost surely, 2^19079245321 is an apocalyptic number.

It is an amenable number.

19079245321 is a deficient number, since it is larger than the sum of its proper divisors (455879).

19079245321 is an equidigital number, since it uses as much as digits as its factorization.

19079245321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455878.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 19079245321 in words is "nineteen billion, seventy-nine million, two hundred forty-five thousand, three hundred twenty-one".