260960570649 has 27 divisors (see below), whose sum is σ = 385240082773. Its totient is φ = 170225147832.

The previous prime is 260960570581. The next prime is 260960570707. The reversal of 260960570649 is 946075069062.

The square root of 260960570649 is 510843.

It is a perfect power (a square), and thus also a powerful number.

260960570649 is a `hidden beast` number, since 2 + 6 + 0 + 9 + 6 + 0 + 570 + 64 + 9 = 666.

260960570649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 260960570649 - 2⁹ = 260960570137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 260960570595 and 260960570604.

It is not an unprimeable number, because it can be changed into a prime (260960570749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 72027052 + ... + 72030674.

Almost surely, 2^260960570649 is an apocalyptic number.

260960570649 is the 510843-rd square number.

260960570649 is the 255422-nd centered octagonal number.

It is an amenable number.

260960570649 is a deficient number, since it is larger than the sum of its proper divisors (124279512124).

260960570649 is an frugal number, since it uses more digits than its factorization.

260960570649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7346 (or 3673 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 260960570649 in words is "two hundred sixty billion, nine hundred sixty million, five hundred seventy thousand, six hundred forty-nine".