268813016745 has 32 divisors (see below), whose sum is σ = 529354866432. Its totient is φ = 113433184512.

The previous prime is 268813016743. The next prime is 268813016779. The reversal of 268813016745 is 547610318862.

268813016745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 268813016745 - 2¹ = 268813016743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268813016743) 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 in 31 ways as a sum of consecutive naturals, for example, 98464942 + ... + 98467671.

It is an arithmetic number, because the mean of its divisors is an integer number (16542339576).

Almost surely, 2^268813016745 is an apocalyptic number.

It is an amenable number.

268813016745 is a deficient number, since it is larger than the sum of its proper divisors (260541849687).

268813016745 is a wasteful number, since it uses less digits than its factorization.

268813016745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196932641.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 268813016745 in words is "two hundred sixty-eight billion, eight hundred thirteen million, sixteen thousand, seven hundred forty-five".