2820936043 has 4 divisors (see below), whose sum is σ = 2821618800. Its totient is φ = 2820253288.

The previous prime is 2820936031. The next prime is 2820936049. The reversal of 2820936043 is 3406390282.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2820936043 - 2⁵ = 2820936011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2820935993 and 2820936011.

It is not an unprimeable number, because it can be changed into a prime (2820936049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335143 + ... + 343456.

It is an arithmetic number, because the mean of its divisors is an integer number (705404700).

Almost surely, 2^2820936043 is an apocalyptic number.

2820936043 is a deficient number, since it is larger than the sum of its proper divisors (682757).

2820936043 is an equidigital number, since it uses as much as digits as its factorization.

2820936043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682756.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 2820936043 is about 53112.4848128950. The cubic root of 2820936043 is about 1412.9639448957.

The spelling of 2820936043 in words is "two billion, eight hundred twenty million, nine hundred thirty-six thousand, forty-three".