2771202013 has 4 divisors (see below), whose sum is σ = 2838792348. Its totient is φ = 2703611680.

The previous prime is 2771201999. The next prime is 2771202019. The reversal of 2771202013 is 3102021772.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 195944004 + 2575258009 = 13998^2 + 50747^2 .

It is a cyclic number.

It is not a de Polignac number, because 2771202013 - 2²¹ = 2769104861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2771202019) 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 3 ways as a sum of consecutive naturals, for example, 33795106 + ... + 33795187.

It is an arithmetic number, because the mean of its divisors is an integer number (709698087).

Almost surely, 2^2771202013 is an apocalyptic number.

It is an amenable number.

2771202013 is a deficient number, since it is larger than the sum of its proper divisors (67590335).

2771202013 is an equidigital number, since it uses as much as digits as its factorization.

2771202013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67590334.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 2771202013 is about 52642.2075240011. The cubic root of 2771202013 is about 1404.6109894262.

Adding to 2771202013 its reverse (3102021772), we get a palindrome (5873223785).

The spelling of 2771202013 in words is "two billion, seven hundred seventy-one million, two hundred two thousand, thirteen".