19300068321 has 4 divisors (see below), whose sum is σ = 25733424432. Its totient is φ = 12866712212.

The previous prime is 19300068299. The next prime is 19300068341. The reversal of 19300068321 is 12386000391.

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.

It is a cyclic number.

It is not a de Polignac number, because 19300068321 - 2⁵ = 19300068289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19300068341) 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, 3216678051 + ... + 3216678056.

It is an arithmetic number, because the mean of its divisors is an integer number (6433356108).

Almost surely, 2^19300068321 is an apocalyptic number.

It is an amenable number.

19300068321 is a deficient number, since it is larger than the sum of its proper divisors (6433356111).

19300068321 is an equidigital number, since it uses as much as digits as its factorization.

19300068321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6433356110.

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 19300068321 in words is "nineteen billion, three hundred million, sixty-eight thousand, three hundred twenty-one".