268447871345 has 8 divisors (see below), whose sum is σ = 322144845120. Its totient is φ = 214753364080.

The previous prime is 268447871311. The next prime is 268447871383. The reversal of 268447871345 is 543178744862.

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

It is not a de Polignac number, because 268447871345 - 2¹⁸ = 268447609201 is a prime.

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, 368075 + ... + 819984.

It is an arithmetic number, because the mean of its divisors is an integer number (40268105640).

Almost surely, 2^268447871345 is an apocalyptic number.

It is an amenable number.

268447871345 is a deficient number, since it is larger than the sum of its proper divisors (53696973775).

268447871345 is a wasteful number, since it uses less digits than its factorization.

268447871345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233255.

The product of its digits is 36126720, while the sum is 59.

The spelling of 268447871345 in words is "two hundred sixty-eight billion, four hundred forty-seven million, eight hundred seventy-one thousand, three hundred forty-five".