2081368219 has 8 divisors (see below), whose sum is σ = 2379252960. Its totient is φ = 1783620096.

The previous prime is 2081368183. The next prime is 2081368291. The reversal of 2081368219 is 9128631802.

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 2081368219 - 2⁹ = 2081367707 is a prime.

It is a super-4 number, since 4×2081368219⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2081368519) 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, 897 + ... + 64525.

It is an arithmetic number, because the mean of its divisors is an integer number (297406620).

Almost surely, 2^2081368219 is an apocalyptic number.

2081368219 is a deficient number, since it is larger than the sum of its proper divisors (297884741).

2081368219 is an equidigital number, since it uses as much as digits as its factorization.

2081368219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68309.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 2081368219 is about 45622.0146310967. The cubic root of 2081368219 is about 1276.7806914891.

The spelling of 2081368219 in words is "two billion, eighty-one million, three hundred sixty-eight thousand, two hundred nineteen".