2019539850889 has 8 divisors (see below), whose sum is σ = 2332730523168. Its totient is φ = 1727948535360.

The previous prime is 2019539850871. The next prime is 2019539850907. The reversal of 2019539850889 is 9880589359102.

It is an interprime number because it is at equal distance from previous prime (2019539850871) and next prime (2019539850907).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2019539850889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2019539850869) 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, 5399838987 + ... + 5399839360.

It is an arithmetic number, because the mean of its divisors is an integer number (291591315396).

Almost surely, 2^{2019539850889} is an apocalyptic number.

It is an amenable number.

2019539850889 is a deficient number, since it is larger than the sum of its proper divisors (313190672279).

2019539850889 is a wasteful number, since it uses less digits than its factorization.

2019539850889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10799678375.

The product of its (nonzero) digits is 55987200, while the sum is 67.

The spelling of 2019539850889 in words is "two trillion, nineteen billion, five hundred thirty-nine million, eight hundred fifty thousand, eight hundred eighty-nine".