2024821813 has 16 divisors (see below), whose sum is σ = 2420510976. Its totient is φ = 1656103680.

The previous prime is 2024821793. The next prime is 2024821817. The reversal of 2024821813 is 3181284202.

It is a happy number.

It is not a de Polignac number, because 2024821813 - 2⁹ = 2024821301 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 (2024821817) 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, 52845 + ... + 82717.

It is an arithmetic number, because the mean of its divisors is an integer number (151281936).

Almost surely, 2^2024821813 is an apocalyptic number.

2024821813 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2024821813 is a deficient number, since it is larger than the sum of its proper divisors (395689163).

2024821813 is a wasteful number, since it uses less digits than its factorization.

2024821813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30324.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 2024821813 is about 44998.0201008889. The cubic root of 2024821813 is about 1265.1118885342. Note that the first 3 decimals are identical.

The spelling of 2024821813 in words is "two billion, twenty-four million, eight hundred twenty-one thousand, eight hundred thirteen".