2019041869 has 16 divisors (see below), whose sum is σ = 2190544384. Its totient is φ = 1849910400.

The previous prime is 2019041803. The next prime is 2019041881. The reversal of 2019041869 is 9681409102.

It is not a de Polignac number, because 2019041869 - 2²⁵ = 1985487437 is a prime.

It is a super-3 number, since 3×2019041869³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2019041569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1101784 + ... + 1103614.

It is an arithmetic number, because the mean of its divisors is an integer number (136909024).

Almost surely, 2^2019041869 is an apocalyptic number.

It is an amenable number.

2019041869 is a deficient number, since it is larger than the sum of its proper divisors (171502515).

2019041869 is a wasteful number, since it uses less digits than its factorization.

2019041869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 2019041869 is about 44933.7497767547. The cubic root of 2019041869 is about 1263.9069685726.

The spelling of 2019041869 in words is "two billion, nineteen million, forty-one thousand, eight hundred sixty-nine".