268380396549194 has 8 divisors (see below), whose sum is σ = 409170112771908. Its totient is φ = 131990358958560.

The previous prime is 268380396549193. The next prime is 268380396549217. The reversal of 268380396549194 is 491945693083862.

268380396549194 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 2 ways, for example, as 265942286061169 + 2438110488025 = 16307737^2 + 1561445^2 .

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

It is not an unprimeable number, because it can be changed into a prime (268380396549193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1099919657867 + ... + 1099919658110.

Almost surely, 2^{268380396549194} is an apocalyptic number.

268380396549194 is a deficient number, since it is larger than the sum of its proper divisors (140789716222714).

268380396549194 is a wasteful number, since it uses less digits than its factorization.

268380396549194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199839316040.

The product of its (nonzero) digits is 2418647040, while the sum is 77.

The spelling of 268380396549194 in words is "two hundred sixty-eight trillion, three hundred eighty billion, three hundred ninety-six million, five hundred forty-nine thousand, one hundred ninety-four".