268038339565 has 8 divisors (see below), whose sum is σ = 328489539840. Its totient is φ = 209868316752.

The previous prime is 268038339559. The next prime is 268038339607. The reversal of 268038339565 is 565933830862.

It is a happy number.

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 268038339565 - 2³⁵ = 233678601197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570294105 + ... + 570294574.

It is an arithmetic number, because the mean of its divisors is an integer number (41061192480).

Almost surely, 2^268038339565 is an apocalyptic number.

It is an amenable number.

268038339565 is a deficient number, since it is larger than the sum of its proper divisors (60451200275).

268038339565 is a wasteful number, since it uses less digits than its factorization.

268038339565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140588731.

The product of its (nonzero) digits is 27993600, while the sum is 58.

The spelling of 268038339565 in words is "two hundred sixty-eight billion, thirty-eight million, three hundred thirty-nine thousand, five hundred sixty-five".