268945878113 has 8 divisors (see below), whose sum is σ = 303512590080. Its totient is φ = 236065347280.

The previous prime is 268945878109. The next prime is 268945878119. The reversal of 268945878113 is 311878549862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 268945878113 - 2² = 268945878109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268945878119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421544945 + ... + 421545582.

It is an arithmetic number, because the mean of its divisors is an integer number (37939073760).

Almost surely, 2^268945878113 is an apocalyptic number.

It is an amenable number.

268945878113 is a deficient number, since it is larger than the sum of its proper divisors (34566711967).

268945878113 is a wasteful number, since it uses less digits than its factorization.

268945878113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843090567.

The product of its digits is 23224320, while the sum is 62.

The spelling of 268945878113 in words is "two hundred sixty-eight billion, nine hundred forty-five million, eight hundred seventy-eight thousand, one hundred thirteen".