268558963 has 4 divisors (see below), whose sum is σ = 270206728. Its totient is φ = 266911200.

The previous prime is 268558943. The next prime is 268558993. The reversal of 268558963 is 369855862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268558963 - 2¹⁷ = 268427891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268558963.

It is not an unprimeable number, because it can be changed into a prime (268558903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823638 + ... + 823963.

It is an arithmetic number, because the mean of its divisors is an integer number (67551682).

Almost surely, 2^268558963 is an apocalyptic number.

268558963 is a deficient number, since it is larger than the sum of its proper divisors (1647765).

268558963 is a wasteful number, since it uses less digits than its factorization.

268558963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647764.

The product of its digits is 3110400, while the sum is 52.

The square root of 268558963 is about 16387.7687010770. The cubic root of 268558963 is about 645.1784959587.

The spelling of 268558963 in words is "two hundred sixty-eight million, five hundred fifty-eight thousand, nine hundred sixty-three".