268685733 has 4 divisors (see below), whose sum is σ = 358247648. Its totient is φ = 179123820.

The previous prime is 268685723. The next prime is 268685741. The reversal of 268685733 is 337586862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 268685733 - 2⁴ = 268685717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268685723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44780953 + ... + 44780958.

It is an arithmetic number, because the mean of its divisors is an integer number (89561912).

Almost surely, 2^268685733 is an apocalyptic number.

It is an amenable number.

268685733 is a deficient number, since it is larger than the sum of its proper divisors (89561915).

268685733 is an equidigital number, since it uses as much as digits as its factorization.

268685733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89561914.

The product of its digits is 1451520, while the sum is 48.

The square root of 268685733 is about 16391.6360684344. The cubic root of 268685733 is about 645.2799962167.

The spelling of 268685733 in words is "two hundred sixty-eight million, six hundred eighty-five thousand, seven hundred thirty-three".