268642307763 has 12 divisors (see below), whose sum is σ = 389096220448. Its totient is φ = 178606872720.

The previous prime is 268642307753. The next prime is 268642307771. The reversal of 268642307763 is 367703246862.

268642307763 is a `hidden beast` number, since 268 + 6 + 4 + 2 + 307 + 76 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-268642307763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268642307723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40663108 + ... + 40669713.

Almost surely, 2^268642307763 is an apocalyptic number.

268642307763 is a deficient number, since it is larger than the sum of its proper divisors (120453912685).

268642307763 is a wasteful number, since it uses less digits than its factorization.

268642307763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81333194 (or 81333191 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 54.

The spelling of 268642307763 in words is "two hundred sixty-eight billion, six hundred forty-two million, three hundred seven thousand, seven hundred sixty-three".