2809806483 has 16 divisors (see below), whose sum is σ = 4088238336. Its totient is φ = 1702393440.

The previous prime is 2809806457. The next prime is 2809806487. The reversal of 2809806483 is 3846089082.

It is a happy number.

It is not a de Polignac number, because 2809806483 - 2¹³ = 2809798291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2809806487) 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 15 ways as a sum of consecutive naturals, for example, 115885 + ... + 138017.

It is an arithmetic number, because the mean of its divisors is an integer number (255514896).

Almost surely, 2^2809806483 is an apocalyptic number.

2809806483 is a deficient number, since it is larger than the sum of its proper divisors (1278431853).

2809806483 is a wasteful number, since it uses less digits than its factorization.

2809806483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25994.

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 2809806483 is about 53007.6077841662. The cubic root of 2809806483 is about 1411.1032866766.

The spelling of 2809806483 in words is "two billion, eight hundred nine million, eight hundred six thousand, four hundred eighty-three".