268559013 has 16 divisors (see below), whose sum is σ = 383408640. Its totient is φ = 166611456.

The previous prime is 268559009. The next prime is 268559029. The reversal of 268559013 is 310955862.

It is not a de Polignac number, because 268559013 - 2² = 268559009 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268559513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25045 + ... + 34122.

It is an arithmetic number, because the mean of its divisors is an integer number (23963040).

Almost surely, 2^268559013 is an apocalyptic number.

It is an amenable number.

268559013 is a deficient number, since it is larger than the sum of its proper divisors (114849627).

268559013 is a wasteful number, since it uses less digits than its factorization.

268559013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59276.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 268559013 is about 16387.7702266050. The cubic root of 268559013 is about 645.1785359982.

The spelling of 268559013 in words is "two hundred sixty-eight million, five hundred fifty-nine thousand, thirteen".