2771846813 has 2 divisors, whose sum is σ = 2771846814. Its totient is φ = 2771846812.

The previous prime is 2771846809. The next prime is 2771846837. The reversal of 2771846813 is 3186481772.

It is a happy number.

2771846813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2643296569 + 128550244 = 51413^2 + 11338^2 .

It is a cyclic number.

It is not a de Polignac number, because 2771846813 - 2² = 2771846809 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2771846843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385923406 + 1385923407.

It is an arithmetic number, because the mean of its divisors is an integer number (1385923407).

Almost surely, 2^2771846813 is an apocalyptic number.

It is an amenable number.

2771846813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2771846813 is an equidigital number, since it uses as much as digits as its factorization.

2771846813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 47.

The square root of 2771846813 is about 52648.3315310182. The cubic root of 2771846813 is about 1404.7199220513.

The spelling of 2771846813 in words is "two billion, seven hundred seventy-one million, eight hundred forty-six thousand, eight hundred thirteen".