2040821069 has 8 divisors (see below), whose sum is σ = 2364317760. Its totient is φ = 1725312096.

The previous prime is 2040821059. The next prime is 2040821077. The reversal of 2040821069 is 9601280402.

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 2040821069 - 2⁴ = 2040821053 is a prime.

It is a super-2 number, since 2×2040821069² = 8329901271348605522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040821009) 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 7 ways as a sum of consecutive naturals, for example, 1996379 + ... + 1997400.

It is an arithmetic number, because the mean of its divisors is an integer number (295539720).

Almost surely, 2^2040821069 is an apocalyptic number.

It is an amenable number.

2040821069 is a deficient number, since it is larger than the sum of its proper divisors (323496691).

2040821069 is an equidigital number, since it uses as much as digits as its factorization.

2040821069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993859.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2040821069 is about 45175.4476347496. The cubic root of 2040821069 is about 1268.4352707364.

The spelling of 2040821069 in words is "two billion, forty million, eight hundred twenty-one thousand, sixty-nine".