2919189000789 has 6 divisors (see below), whose sum is σ = 4216606334486. Its totient is φ = 1946126000520.

The previous prime is 2919189000787. The next prime is 2919189000809. The reversal of 2919189000789 is 9870009819192.

It can be written as a sum of positive squares in only one way, i.e., 2730326616900 + 188862383889 = 1652370^2 + 434583^2 .

It is not a de Polignac number, because 2919189000789 - 2¹ = 2919189000787 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2919189000781) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 162177166702 + ... + 162177166719.

Almost surely, 2^{2919189000789} is an apocalyptic number.

It is an amenable number.

2919189000789 is a deficient number, since it is larger than the sum of its proper divisors (1297417333697).

2919189000789 is a wasteful number, since it uses less digits than its factorization.

2919189000789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324354333427 (or 324354333424 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 63.

The spelling of 2919189000789 in words is "two trillion, nine hundred nineteen billion, one hundred eighty-nine million, seven hundred eighty-nine", and thus it is an aban number.