268244909 has 4 divisors (see below), whose sum is σ = 268297404. Its totient is φ = 268192416.

The previous prime is 268244903. The next prime is 268244927. The reversal of 268244909 is 909442862.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108222409 + 160022500 = 10403^2 + 12650^2 .

It is a cyclic number.

It is not a de Polignac number, because 268244909 - 2¹² = 268240813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268244909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268244903) 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, 17642 + ... + 29115.

It is an arithmetic number, because the mean of its divisors is an integer number (67074351).

Almost surely, 2^268244909 is an apocalyptic number.

It is an amenable number.

268244909 is a deficient number, since it is larger than the sum of its proper divisors (52495).

268244909 is an equidigital number, since it uses as much as digits as its factorization.

268244909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52494.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 268244909 is about 16378.1839347346. The cubic root of 268244909 is about 644.9269063656.

The spelling of 268244909 in words is "two hundred sixty-eight million, two hundred forty-four thousand, nine hundred nine".