19014829019 has 4 divisors (see below), whose sum is σ = 19021644720. Its totient is φ = 19008013320.

The previous prime is 19014829013. The next prime is 19014829117. The reversal of 19014829019 is 91092841091.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 19014829019 - 2¹² = 19014824923 is a prime.

It is a super-2 number, since 2×19014829019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19014829013) 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, 3403664 + ... + 3409245.

It is an arithmetic number, because the mean of its divisors is an integer number (4755411180).

Almost surely, 2^19014829019 is an apocalyptic number.

19014829019 is a deficient number, since it is larger than the sum of its proper divisors (6815701).

19014829019 is an equidigital number, since it uses as much as digits as its factorization.

19014829019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6815700.

The product of its (nonzero) digits is 46656, while the sum is 44.

The spelling of 19014829019 in words is "nineteen billion, fourteen million, eight hundred twenty-nine thousand, nineteen".