268746495865 has 8 divisors (see below), whose sum is σ = 336517351488. Its totient is φ = 205649492400.

The previous prime is 268746495839. The next prime is 268746495877. The reversal of 268746495865 is 568594647862.

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

It is not a de Polignac number, because 268746495865 - 2⁵ = 268746495833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268746495794 and 268746495803.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168462911 + ... + 1168463140.

It is an arithmetic number, because the mean of its divisors is an integer number (42064668936).

Almost surely, 2^268746495865 is an apocalyptic number.

It is an amenable number.

268746495865 is a deficient number, since it is larger than the sum of its proper divisors (67770855623).

268746495865 is a wasteful number, since it uses less digits than its factorization.

268746495865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336926079.

The product of its digits is 696729600, while the sum is 70.

The spelling of 268746495865 in words is "two hundred sixty-eight billion, seven hundred forty-six million, four hundred ninety-five thousand, eight hundred sixty-five".