2019240439 has 8 divisors (see below), whose sum is σ = 2050133360. Its totient is φ = 1988369856.

The previous prime is 2019240407. The next prime is 2019240451. The reversal of 2019240439 is 9340429102.

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 2019240439 - 2⁵ = 2019240407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2019240499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313657 + ... + 320029.

It is an arithmetic number, because the mean of its divisors is an integer number (256266670).

Almost surely, 2^2019240439 is an apocalyptic number.

2019240439 is a deficient number, since it is larger than the sum of its proper divisors (30892921).

2019240439 is an equidigital number, since it uses as much as digits as its factorization.

2019240439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11169.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2019240439 is about 44935.9593087763. The cubic root of 2019240439 is about 1263.9484017202.

The spelling of 2019240439 in words is "two billion, nineteen million, two hundred forty thousand, four hundred thirty-nine".