19054967019 has 32 divisors (see below), whose sum is σ = 29189241600. Its totient is φ = 10935336960.

The previous prime is 19054967011. The next prime is 19054967039. The reversal of 19054967019 is 91076945091.

It is not a de Polignac number, because 19054967019 - 2³ = 19054967011 is a prime.

It is a super-2 number, since 2×19054967019² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19054967011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1544427 + ... + 1556715.

It is an arithmetic number, because the mean of its divisors is an integer number (912163800).

Almost surely, 2^19054967019 is an apocalyptic number.

19054967019 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

19054967019 is a deficient number, since it is larger than the sum of its proper divisors (10134274581).

19054967019 is a wasteful number, since it uses less digits than its factorization.

19054967019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14795.

The product of its (nonzero) digits is 612360, while the sum is 51.

The spelling of 19054967019 in words is "nineteen billion, fifty-four million, nine hundred sixty-seven thousand, nineteen".