2821842850 has 12 divisors (see below), whose sum is σ = 5248627794. Its totient is φ = 1128737120.

The previous prime is 2821842809. The next prime is 2821842853. The reversal of 2821842850 is 582481282.

It can be written as a sum of positive squares in 3 ways, for example, as 2599266289 + 222576561 = 50983^2 + 14919^2 .

It is a super-2 number, since 2×2821842850² = 15925594140192245000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2821842853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28218379 + ... + 28218478.

Almost surely, 2^2821842850 is an apocalyptic number.

2821842850 is a deficient number, since it is larger than the sum of its proper divisors (2426784944).

2821842850 is a wasteful number, since it uses less digits than its factorization.

2821842850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56436869 (or 56436864 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 40.

The square root of 2821842850 is about 53121.0207921497. The cubic root of 2821842850 is about 1413.1153306188.

The spelling of 2821842850 in words is "two billion, eight hundred twenty-one million, eight hundred forty-two thousand, eight hundred fifty".