268522948863 has 48 divisors (see below), whose sum is σ = 431566879744. Its totient is φ = 159834669120.

The previous prime is 268522948861. The next prime is 268522948871. The reversal of 268522948863 is 368849225862.

268522948863 is a `hidden beast` number, since 2 + 6 + 8 + 522 + 9 + 48 + 8 + 63 = 666.

It is a Cunningham number, because it is equal to 518192²-1.

It is not a de Polignac number, because 268522948863 - 2¹ = 268522948861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268522948863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268522948861) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259098 + ... + 777288.

Almost surely, 2^268522948863 is an apocalyptic number.

268522948863 is a deficient number, since it is larger than the sum of its proper divisors (163043930881).

268522948863 is a wasteful number, since it uses less digits than its factorization.

268522948863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518356 (or 518353 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 63.

The spelling of 268522948863 in words is "two hundred sixty-eight billion, five hundred twenty-two million, nine hundred forty-eight thousand, eight hundred sixty-three".