268869655336 has 8 divisors (see below), whose sum is σ = 504130603770. Its totient is φ = 134434827664.

The previous prime is 268869655289. The next prime is 268869655339. The reversal of 268869655336 is 633556968862.

It can be written as a sum of positive squares in only one way, i.e., 175472183236 + 93397472100 = 418894^2 + 305610^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (268869655339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16804353451 + ... + 16804353466.

Almost surely, 2^268869655336 is an apocalyptic number.

It is an amenable number.

268869655336 is a deficient number, since it is larger than the sum of its proper divisors (235260948434).

268869655336 is a wasteful number, since it uses less digits than its factorization.

268869655336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33608706923 (or 33608706919 counting only the distinct ones).

The product of its digits is 335923200, while the sum is 67.

The spelling of 268869655336 in words is "two hundred sixty-eight billion, eight hundred sixty-nine million, six hundred fifty-five thousand, three hundred thirty-six".