2081316069 has 96 divisors (see below), whose sum is σ = 3996794880. Its totient is φ = 1014114816.

The previous prime is 2081316049. The next prime is 2081316091. The reversal of 2081316069 is 9606131802.

It is not a de Polignac number, because 2081316069 - 2¹⁷ = 2081184997 is a prime.

It is a super-2 number, since 2×2081316069² = 8663753158155225522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081316019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 465804 + ... + 470250.

It is an arithmetic number, because the mean of its divisors is an integer number (41633280).

Almost surely, 2^2081316069 is an apocalyptic number.

It is an amenable number.

2081316069 is a deficient number, since it is larger than the sum of its proper divisors (1915478811).

2081316069 is a wasteful number, since it uses less digits than its factorization.

2081316069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4519 (or 4516 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 2081316069 is about 45621.4430832695. The cubic root of 2081316069 is about 1276.7700278835.

The spelling of 2081316069 in words is "two billion, eighty-one million, three hundred sixteen thousand, sixty-nine".