268424609 has 16 divisors (see below), whose sum is σ = 293544000. Its totient is φ = 244480320.

The previous prime is 268424591. The next prime is 268424657. The reversal of 268424609 is 906424862.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268424609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268424209) 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, 147314 + ... + 149124.

It is an arithmetic number, because the mean of its divisors is an integer number (18346500).

Almost surely, 2^268424609 is an apocalyptic number.

268424609 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

268424609 is a deficient number, since it is larger than the sum of its proper divisors (25119391).

268424609 is a wasteful number, since it uses less digits than its factorization.

268424609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 268424609 is about 16383.6689724860. The cubic root of 268424609 is about 645.0708885891.

The spelling of 268424609 in words is "two hundred sixty-eight million, four hundred twenty-four thousand, six hundred nine".