268198004313 has 56 divisors (see below), whose sum is σ = 416676782720. Its totient is φ = 172428328800.

The previous prime is 268198004273. The next prime is 268198004317. The reversal of 268198004313 is 313400891862.

268198004313 is a `hidden beast` number, since 26 + 8 + 198 + 0 + 0 + 431 + 3 = 666.

It is not a de Polignac number, because 268198004313 - 2⁸ = 268198004057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (268198004317) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2422263 + ... + 2530563.

Almost surely, 2^268198004313 is an apocalyptic number.

It is an amenable number.

268198004313 is a deficient number, since it is larger than the sum of its proper divisors (148478778407).

268198004313 is an equidigital number, since it uses as much as digits as its factorization.

268198004313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108441 (or 108426 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 268198004313 in words is "two hundred sixty-eight billion, one hundred ninety-eight million, four thousand, three hundred thirteen".