260268947089 has 4 divisors (see below), whose sum is σ = 260275980580. Its totient is φ = 260261913600.

The previous prime is 260268947087. The next prime is 260268947119. The reversal of 260268947089 is 980749862062.

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 102156944400 + 158112002689 = 319620^2 + 397633^2 .

It is a cyclic number.

It is not a de Polignac number, because 260268947089 - 2¹ = 260268947087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260268947083) 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, 3460944 + ... + 3535345.

It is an arithmetic number, because the mean of its divisors is an integer number (65068995145).

Almost surely, 2^260268947089 is an apocalyptic number.

It is an amenable number.

260268947089 is a deficient number, since it is larger than the sum of its proper divisors (7033491).

260268947089 is an equidigital number, since it uses as much as digits as its factorization.

260268947089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033490.

The product of its (nonzero) digits is 20901888, while the sum is 61.

The spelling of 260268947089 in words is "two hundred sixty billion, two hundred sixty-eight million, nine hundred forty-seven thousand, eighty-nine".