2655681289 has 4 divisors (see below), whose sum is σ = 2655821520. Its totient is φ = 2655541060.

The previous prime is 2655681283. The next prime is 2655681313. The reversal of 2655681289 is 9821865562.

2655681289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 2655681289 - 2⁹ = 2655680777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2655681283) 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, 36259 + ... + 81400.

It is an arithmetic number, because the mean of its divisors is an integer number (663955380).

Almost surely, 2^2655681289 is an apocalyptic number.

It is an amenable number.

2655681289 is a deficient number, since it is larger than the sum of its proper divisors (140231).

2655681289 is a wasteful number, since it uses less digits than its factorization.

2655681289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140230.

The product of its digits is 2073600, while the sum is 52.

The square root of 2655681289 is about 51533.3027177572. The cubic root of 2655681289 is about 1384.8157190292.

The spelling of 2655681289 in words is "two billion, six hundred fifty-five million, six hundred eighty-one thousand, two hundred eighty-nine".