268013198245 has 16 divisors (see below), whose sum is σ = 346640217840. Its totient is φ = 197754753024.

The previous prime is 268013198213. The next prime is 268013198249. The reversal of 268013198245 is 542891310862.

It can be written as a sum of positive squares in 8 ways, for example, as 120224466756 + 147788731489 = 346734^2 + 384433^2 .

It is a cyclic number.

It is not a de Polignac number, because 268013198245 - 2⁵ = 268013198213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268013198249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1614930 + ... + 1773139.

It is an arithmetic number, because the mean of its divisors is an integer number (21665013615).

Almost surely, 2^268013198245 is an apocalyptic number.

It is an amenable number.

268013198245 is a deficient number, since it is larger than the sum of its proper divisors (78627019595).

268013198245 is a wasteful number, since it uses less digits than its factorization.

268013198245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389304.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 268013198245 in words is "two hundred sixty-eight billion, thirteen million, one hundred ninety-eight thousand, two hundred forty-five".