268028648889 has 8 divisors (see below), whose sum is σ = 357512294880. Its totient is φ = 178615384416.

The previous prime is 268028648863. The next prime is 268028648929. The reversal of 268028648889 is 988846820862.

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

It is not a de Polignac number, because 268028648889 - 2¹¹ = 268028646841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268028648809) 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, 17586492 + ... + 17601725.

It is an arithmetic number, because the mean of its divisors is an integer number (44689036860).

Almost surely, 2^268028648889 is an apocalyptic number.

It is an amenable number.

268028648889 is a deficient number, since it is larger than the sum of its proper divisors (89483645991).

268028648889 is a wasteful number, since it uses less digits than its factorization.

268028648889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35190759.

The product of its (nonzero) digits is 169869312, while the sum is 69.

The spelling of 268028648889 in words is "two hundred sixty-eight billion, twenty-eight million, six hundred forty-eight thousand, eight hundred eighty-nine".