268965921548 has 12 divisors (see below), whose sum is σ = 482170615752. Its totient is φ = 131202888480.

The previous prime is 268965921541. The next prime is 268965921551. The reversal of 268965921548 is 845129569862.

268965921548 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (268965921541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 820017890 + ... + 820018217.

It is an arithmetic number, because the mean of its divisors is an integer number (40180884646).

Almost surely, 2^268965921548 is an apocalyptic number.

It is an amenable number.

268965921548 is a deficient number, since it is larger than the sum of its proper divisors (213204694204).

268965921548 is a wasteful number, since it uses less digits than its factorization.

268965921548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640036152 (or 1640036150 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 65.

The spelling of 268965921548 in words is "two hundred sixty-eight billion, nine hundred sixty-five million, nine hundred twenty-one thousand, five hundred forty-eight".