260943774709 has 2 divisors, whose sum is σ = 260943774710. Its totient is φ = 260943774708.

The previous prime is 260943774697. The next prime is 260943774727. The reversal of 260943774709 is 907477349062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250535286225 + 10408488484 = 500535^2 + 102022^2 .

It is a cyclic number.

It is not a de Polignac number, because 260943774709 - 2¹⁷ = 260943643637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260943771709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130471887354 + 130471887355.

It is an arithmetic number, because the mean of its divisors is an integer number (130471887355).

Almost surely, 2^260943774709 is an apocalyptic number.

It is an amenable number.

260943774709 is a deficient number, since it is larger than the sum of its proper divisors (1).

260943774709 is an equidigital number, since it uses as much as digits as its factorization.

260943774709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16003008, while the sum is 58.

The spelling of 260943774709 in words is "two hundred sixty billion, nine hundred forty-three million, seven hundred seventy-four thousand, seven hundred nine".