299839161819 has 4 divisors (see below), whose sum is σ = 399785549096. Its totient is φ = 199892774544.

The previous prime is 299839161779. The next prime is 299839161827. The reversal of 299839161819 is 918161938992.

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

It is not a de Polignac number, because 299839161819 - 2¹⁷ = 299839030747 is a prime.

It is a super-2 number, since 2×299839161819² (a number of 24 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 299839161819.

It is not an unprimeable number, because it can be changed into a prime (299839161859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49973193634 + ... + 49973193639.

It is an arithmetic number, because the mean of its divisors is an integer number (99946387274).

Almost surely, 2^299839161819 is an apocalyptic number.

299839161819 is a deficient number, since it is larger than the sum of its proper divisors (99946387277).

299839161819 is an equidigital number, since it uses as much as digits as its factorization.

299839161819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99946387276.

The product of its digits is 15116544, while the sum is 66.

The spelling of 299839161819 in words is "two hundred ninety-nine billion, eight hundred thirty-nine million, one hundred sixty-one thousand, eight hundred nineteen".