268041909 has 4 divisors (see below), whose sum is σ = 357389216. Its totient is φ = 178694604.

The previous prime is 268041899. The next prime is 268041929. The reversal of 268041909 is 909140862.

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 268041909 - 2⁵ = 268041877 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 (268041929) 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, 44673649 + ... + 44673654.

It is an arithmetic number, because the mean of its divisors is an integer number (89347304).

Almost surely, 2^268041909 is an apocalyptic number.

It is an amenable number.

268041909 is a deficient number, since it is larger than the sum of its proper divisors (89347307).

268041909 is an equidigital number, since it uses as much as digits as its factorization.

268041909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89347306.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 268041909 is about 16371.9854935191. The cubic root of 268041909 is about 644.7641779571.

The spelling of 268041909 in words is "two hundred sixty-eight million, forty-one thousand, nine hundred nine".