268316257241 has 4 divisors (see below), whose sum is σ = 269798667684. Its totient is φ = 266833846800.

The previous prime is 268316257229. The next prime is 268316257259. The reversal of 268316257241 is 142752613862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142752613862 = 2 ⋅71376306931.

It can be written as a sum of positive squares in 2 ways, for example, as 35417358025 + 232898899216 = 188195^2 + 482596^2 .

It is a cyclic number.

It is not a de Polignac number, because 268316257241 - 2³⁴ = 251136388057 is a prime.

It is a super-2 number, since 2×268316257241² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268316259241) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 741204950 + ... + 741205311.

It is an arithmetic number, because the mean of its divisors is an integer number (67449666921).

Almost surely, 2^268316257241 is an apocalyptic number.

It is an amenable number.

268316257241 is a deficient number, since it is larger than the sum of its proper divisors (1482410443).

268316257241 is a wasteful number, since it uses less digits than its factorization.

268316257241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482410442.

The product of its digits is 967680, while the sum is 47.

The spelling of 268316257241 in words is "two hundred sixty-eight billion, three hundred sixteen million, two hundred fifty-seven thousand, two hundred forty-one".