605664863 has 2 divisors, whose sum is σ = 605664864. Its totient is φ = 605664862.

The previous prime is 605664853. The next prime is 605664907. The reversal of 605664863 is 368466506.

It is an a-pointer prime, because the next prime (605664907) can be obtained adding 605664863 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 605664863 - 2¹⁴ = 605648479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605664853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302832431 + 302832432.

It is an arithmetic number, because the mean of its divisors is an integer number (302832432).

Almost surely, 2^605664863 is an apocalyptic number.

605664863 is a deficient number, since it is larger than the sum of its proper divisors (1).

605664863 is an equidigital number, since it uses as much as digits as its factorization.

605664863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 44.

The square root of 605664863 is about 24610.2593037944. The cubic root of 605664863 is about 846.0787608752.

The spelling of 605664863 in words is "six hundred five million, six hundred sixty-four thousand, eight hundred sixty-three".