2830821863 has 8 divisors (see below), whose sum is σ = 3007584480. Its totient is φ = 2659335840.

The previous prime is 2830821841. The next prime is 2830821869. The reversal of 2830821863 is 3681280382.

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 2830821863 - 2⁸ = 2830821607 is a prime.

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 2830821863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2830821869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1318043 + ... + 1320188.

It is an arithmetic number, because the mean of its divisors is an integer number (375948060).

Almost surely, 2^2830821863 is an apocalyptic number.

2830821863 is a deficient number, since it is larger than the sum of its proper divisors (176762617).

2830821863 is a wasteful number, since it uses less digits than its factorization.

2830821863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638297.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 2830821863 is about 53205.4683561756. The cubic root of 2830821863 is about 1414.6125728268.

The spelling of 2830821863 in words is "two billion, eight hundred thirty million, eight hundred twenty-one thousand, eight hundred sixty-three".