2771264213 has 2 divisors, whose sum is σ = 2771264214. Its totient is φ = 2771264212.

The previous prime is 2771264183. The next prime is 2771264257. The reversal of 2771264213 is 3124621772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2726615089 + 44649124 = 52217^2 + 6682^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2771264213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2771264263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385632106 + 1385632107.

It is an arithmetic number, because the mean of its divisors is an integer number (1385632107).

Almost surely, 2^2771264213 is an apocalyptic number.

It is an amenable number.

2771264213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2771264213 is an equidigital number, since it uses as much as digits as its factorization.

2771264213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 35.

The square root of 2771264213 is about 52642.7983013821. The cubic root of 2771264213 is about 1404.6214982414.

Adding to 2771264213 its reverse (3124621772), we get a palindrome (5895885985).

The spelling of 2771264213 in words is "two billion, seven hundred seventy-one million, two hundred sixty-four thousand, two hundred thirteen".