840830019119 has 4 divisors (see below), whose sum is σ = 845232270720. Its totient is φ = 836427767520.

The previous prime is 840830019109. The next prime is 840830019121. The reversal of 840830019119 is 911910038048.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-840830019119 is a prime.

It is a super-2 number, since 2×840830019119² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 840830019119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840830019109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2201125514 + ... + 2201125895.

It is an arithmetic number, because the mean of its divisors is an integer number (211308067680).

Almost surely, 2^840830019119 is an apocalyptic number.

840830019119 is a deficient number, since it is larger than the sum of its proper divisors (4402251601).

840830019119 is a wasteful number, since it uses less digits than its factorization.

840830019119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4402251600.

The product of its (nonzero) digits is 62208, while the sum is 44.

The spelling of 840830019119 in words is "eight hundred forty billion, eight hundred thirty million, nineteen thousand, one hundred nineteen".