2711380981 has 2 divisors, whose sum is σ = 2711380982. Its totient is φ = 2711380980.

The previous prime is 2711380951. The next prime is 2711381011. The reversal of 2711380981 is 1890831172.

It is a balanced prime because it is at equal distance from previous prime (2711380951) and next prime (2711381011).

It can be written as a sum of positive squares in only one way, i.e., 1994962225 + 716418756 = 44665^2 + 26766^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2711380981 is a prime.

It is a super-2 number, since 2×2711380981² = 14703173648257044722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2711380951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1355690490 + 1355690491.

It is an arithmetic number, because the mean of its divisors is an integer number (1355690491).

Almost surely, 2^2711380981 is an apocalyptic number.

It is an amenable number.

2711380981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2711380981 is an equidigital number, since it uses as much as digits as its factorization.

2711380981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 2711380981 is about 52070.9226056155. The cubic root of 2711380981 is about 1394.4304198697.

The spelling of 2711380981 in words is "two billion, seven hundred eleven million, three hundred eighty thousand, nine hundred eighty-one".