2813816849 has 16 divisors (see below), whose sum is σ = 2991392640. Its totient is φ = 2641013760.

The previous prime is 2813816827. The next prime is 2813816867. The reversal of 2813816849 is 9486183182.

2813816849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2813816849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2813816797 and 2813816806.

It is not an unprimeable number, because it can be changed into a prime (2813816809) 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, 895409 + ... + 898545.

It is an arithmetic number, because the mean of its divisors is an integer number (186962040).

Almost surely, 2^2813816849 is an apocalyptic number.

It is an amenable number.

2813816849 is a deficient number, since it is larger than the sum of its proper divisors (177575791).

2813816849 is a wasteful number, since it uses less digits than its factorization.

2813816849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3880.

The product of its digits is 663552, while the sum is 50.

The square root of 2813816849 is about 53045.4225075077. The cubic root of 2813816849 is about 1411.7743115883.

The spelling of 2813816849 in words is "two billion, eight hundred thirteen million, eight hundred sixteen thousand, eight hundred forty-nine".