1919000001019 has 8 divisors (see below), whose sum is σ = 2002734754560. Its totient is φ = 1835290245096.

The previous prime is 1919000000977. The next prime is 1919000001029. The reversal of 1919000001019 is 9101000009191.

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

It is a cyclic number.

It is not a de Polignac number, because 1919000001019 - 2²³ = 1918991612411 is a prime.

It is a super-2 number, since 2×1919000001019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1919000001029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6092437 + ... + 6399670.

It is an arithmetic number, because the mean of its divisors is an integer number (250341844320).

Almost surely, 2^{1919000001019} is an apocalyptic number.

1919000001019 is a deficient number, since it is larger than the sum of its proper divisors (83734753541).

1919000001019 is a wasteful number, since it uses less digits than its factorization.

1919000001019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12498809.

The product of its (nonzero) digits is 729, while the sum is 31.

The spelling of 1919000001019 in words is "one trillion, nine hundred nineteen billion, one thousand, nineteen".