4924812821 has 16 divisors (see below), whose sum is σ = 5028566400. Its totient is φ = 4822459200.

The previous prime is 4924812793. The next prime is 4924812829. The reversal of 4924812821 is 1282184294.

4924812821 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4924812821 - 2⁶ = 4924812757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4924812829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4440215 + ... + 4441323.

It is an arithmetic number, because the mean of its divisors is an integer number (314285400).

Almost surely, 2^4924812821 is an apocalyptic number.

It is an amenable number.

4924812821 is a deficient number, since it is larger than the sum of its proper divisors (103753579).

4924812821 is a wasteful number, since it uses less digits than its factorization.

4924812821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660.

The product of its digits is 73728, while the sum is 41.

The square root of 4924812821 is about 70177.0106302627. The cubic root of 4924812821 is about 1701.3614032343.

The spelling of 4924812821 in words is "four billion, nine hundred twenty-four million, eight hundred twelve thousand, eight hundred twenty-one".