1000009019 has 8 divisors (see below), whose sum is σ = 1044250272. Its totient is φ = 955831360.

The previous prime is 1000009013. The next prime is 1000009063. The reversal of 1000009019 is 9109000001.

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 1000009019 - 2²⁴ = 983231803 is a prime.

It is a super-2 number, since 2×1000009019² = 2000036076162684722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000009013) 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, 17789 + ... + 48129.

It is an arithmetic number, because the mean of its divisors is an integer number (130531284).

Almost surely, 2^1000009019 is an apocalyptic number.

1000009019 is a deficient number, since it is larger than the sum of its proper divisors (44241253).

1000009019 is a wasteful number, since it uses less digits than its factorization.

1000009019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31797.

The product of its (nonzero) digits is 81, while the sum is 20.

The square root of 1000009019 is about 31622.9192042733. The cubic root of 1000009019 is about 1000.0030063243.

The spelling of 1000009019 in words is "one billion, nine thousand, nineteen".