268918250512 has 10 divisors (see below), whose sum is σ = 521029110398. Its totient is φ = 134459125248.

The previous prime is 268918250507. The next prime is 268918250521. The reversal of 268918250512 is 215052819862.

268918250512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 248227154176 + 20691096336 = 498224^2 + 143844^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8403695313 + ... + 8403695344.

Almost surely, 2^268918250512 is an apocalyptic number.

It is an amenable number.

268918250512 is a deficient number, since it is larger than the sum of its proper divisors (252110859886).

268918250512 is a wasteful number, since it uses less digits than its factorization.

268918250512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16807390665 (or 16807390659 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 49.

The spelling of 268918250512 in words is "two hundred sixty-eight billion, nine hundred eighteen million, two hundred fifty thousand, five hundred twelve".