2271087589 has 4 divisors (see below), whose sum is σ = 2271209356. Its totient is φ = 2270965824.

The previous prime is 2271087571. The next prime is 2271087607. The reversal of 2271087589 is 9857801722.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (2271087571) and next prime (2271087607).

It can be written as a sum of positive squares in 2 ways, for example, as 1749330625 + 521756964 = 41825^2 + 22842^2 .

It is a cyclic number.

It is not a de Polignac number, because 2271087589 - 2¹³ = 2271079397 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 (2271087509) 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 in 3 ways as a sum of consecutive naturals, for example, 26394 + ... + 72379.

It is an arithmetic number, because the mean of its divisors is an integer number (567802339).

Almost surely, 2^2271087589 is an apocalyptic number.

It is an amenable number.

2271087589 is a deficient number, since it is larger than the sum of its proper divisors (121767).

2271087589 is an equidigital number, since it uses as much as digits as its factorization.

2271087589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121766.

The product of its (nonzero) digits is 564480, while the sum is 49.

The square root of 2271087589 is about 47655.9292113794. The cubic root of 2271087589 is about 1314.4516865667.

The spelling of 2271087589 in words is "two billion, two hundred seventy-one million, eighty-seven thousand, five hundred eighty-nine".