260664450427 has 2 divisors, whose sum is σ = 260664450428. Its totient is φ = 260664450426.

The previous prime is 260664450407. The next prime is 260664450503. The reversal of 260664450427 is 724054466062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260664450427 - 2¹¹ = 260664448379 is a prime.

It is not a weakly prime, because it can be changed into another prime (260664450407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130332225213 + 130332225214.

It is an arithmetic number, because the mean of its divisors is an integer number (130332225214).

Almost surely, 2^260664450427 is an apocalyptic number.

260664450427 is a deficient number, since it is larger than the sum of its proper divisors (1).

260664450427 is an equidigital number, since it uses as much as digits as its factorization.

260664450427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 46.

The spelling of 260664450427 in words is "two hundred sixty billion, six hundred sixty-four million, four hundred fifty thousand, four hundred twenty-seven".