268248314881 has 8 divisors (see below), whose sum is σ = 269624595240. Its totient is φ = 266872182528.

The previous prime is 268248314869. The next prime is 268248314921. The reversal of 268248314881 is 188413842862.

It can be written as a sum of positive squares in 4 ways, for example, as 208606860225 + 59641454656 = 456735^2 + 244216^2 .

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 268248314881 - 2¹¹ = 268248312833 is a prime.

It is a super-2 number, since 2×268248314881² (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 (268248314861) 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, 7171255 + ... + 7208563.

It is an arithmetic number, because the mean of its divisors is an integer number (33703074405).

Almost surely, 2^268248314881 is an apocalyptic number.

It is an amenable number.

268248314881 is a deficient number, since it is larger than the sum of its proper divisors (1376280359).

268248314881 is a wasteful number, since it uses less digits than its factorization.

268248314881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74003.

The product of its digits is 4718592, while the sum is 55.

The spelling of 268248314881 in words is "two hundred sixty-eight billion, two hundred forty-eight million, three hundred fourteen thousand, eight hundred eighty-one".