2711274649 has 4 divisors (see below), whose sum is σ = 2715280164. Its totient is φ = 2707269136.

The previous prime is 2711274637. The next prime is 2711274659. The reversal of 2711274649 is 9464721172.

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 2691534400 + 19740249 = 51880^2 + 4443^2 .

It is a cyclic number.

It is not a de Polignac number, because 2711274649 - 2¹¹ = 2711272601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2711274659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001742 + ... + 2003095.

It is an arithmetic number, because the mean of its divisors is an integer number (678820041).

Almost surely, 2^2711274649 is an apocalyptic number.

It is an amenable number.

2711274649 is a deficient number, since it is larger than the sum of its proper divisors (4005515).

2711274649 is an equidigital number, since it uses as much as digits as its factorization.

2711274649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4005514.

The product of its digits is 169344, while the sum is 43.

The square root of 2711274649 is about 52069.9015651076. The cubic root of 2711274649 is about 1394.4121912112.

It can be divided in two parts, 27112 and 74649, that added together give a square (101761 = 319²).

The spelling of 2711274649 in words is "two billion, seven hundred eleven million, two hundred seventy-four thousand, six hundred forty-nine".