268258013347 has 4 divisors (see below), whose sum is σ = 268288378416. Its totient is φ = 268227648280.

The previous prime is 268258013327. The next prime is 268258013389. The reversal of 268258013347 is 743310852862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268258013347 - 2²⁷ = 268123795619 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268258013347.

It is not an unprimeable number, because it can be changed into a prime (268258013327) 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, 15169279 + ... + 15186952.

It is an arithmetic number, because the mean of its divisors is an integer number (67072094604).

Almost surely, 2^268258013347 is an apocalyptic number.

268258013347 is a deficient number, since it is larger than the sum of its proper divisors (30365069).

268258013347 is an equidigital number, since it uses as much as digits as its factorization.

268258013347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30365068.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 268258013347 in words is "two hundred sixty-eight billion, two hundred fifty-eight million, thirteen thousand, three hundred forty-seven".