1063658863 has 2 divisors, whose sum is σ = 1063658864. Its totient is φ = 1063658862.

The previous prime is 1063658831. The next prime is 1063658957. The reversal of 1063658863 is 3688563601.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1063658863 - 2⁵ = 1063658831 is a prime.

It is a super-2 number, since 2×1063658863² = 2262740353676905538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1063658663) 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 as a sum of consecutive naturals, namely, 531829431 + 531829432.

It is an arithmetic number, because the mean of its divisors is an integer number (531829432).

Almost surely, 2^1063658863 is an apocalyptic number.

1063658863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1063658863 is an equidigital number, since it uses as much as digits as its factorization.

1063658863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 1063658863 is about 32613.7833285254. The cubic root of 1063658863 is about 1020.7846272775.

The spelling of 1063658863 in words is "one billion, sixty-three million, six hundred fifty-eight thousand, eight hundred sixty-three".