2813844813 has 16 divisors (see below), whose sum is σ = 4042199616. Its totient is φ = 1730822400.

The previous prime is 2813844809. The next prime is 2813844821. The reversal of 2813844813 is 3184483182.

It is not a de Polignac number, because 2813844813 - 2² = 2813844809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2813844823) 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, 79338 + ... + 109188.

It is an arithmetic number, because the mean of its divisors is an integer number (252637476).

Almost surely, 2^2813844813 is an apocalyptic number.

It is an amenable number.

2813844813 is a deficient number, since it is larger than the sum of its proper divisors (1228354803).

2813844813 is a wasteful number, since it uses less digits than its factorization.

2813844813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32284.

The product of its digits is 147456, while the sum is 42.

The square root of 2813844813 is about 53045.6860922733. The cubic root of 2813844813 is about 1411.7789883587.

The spelling of 2813844813 in words is "two billion, eight hundred thirteen million, eight hundred forty-four thousand, eight hundred thirteen".