2711380989 has 4 divisors (see below), whose sum is σ = 3615174656. Its totient is φ = 1807587324.

The previous prime is 2711380981. The next prime is 2711381011. The reversal of 2711380989 is 9890831172.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2711380989 - 2³ = 2711380981 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 (2711380981) 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, 451896829 + ... + 451896834.

It is an arithmetic number, because the mean of its divisors is an integer number (903793664).

Almost surely, 2^2711380989 is an apocalyptic number.

It is an amenable number.

2711380989 is a deficient number, since it is larger than the sum of its proper divisors (903793667).

2711380989 is an equidigital number, since it uses as much as digits as its factorization.

2711380989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903793666.

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 2711380989 is about 52070.9226824338. The cubic root of 2711380989 is about 1394.4304212411.

The spelling of 2711380989 in words is "two billion, seven hundred eleven million, three hundred eighty thousand, nine hundred eighty-nine".