268469999 has 8 divisors (see below), whose sum is σ = 309239808. Its totient is φ = 228304440.

The previous prime is 268469989. The next prime is 268470029. The reversal of 268469999 is 999964862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 268469999 - 2²⁸ = 34543 is a prime.

It is a super-2 number, since 2×268469999² = 144152280726120002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268469909) 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 7 ways as a sum of consecutive naturals, for example, 150107 + ... + 151884.

It is an arithmetic number, because the mean of its divisors is an integer number (38654976).

Almost surely, 2^268469999 is an apocalyptic number.

268469999 is a deficient number, since it is larger than the sum of its proper divisors (40769809).

268469999 is a wasteful number, since it uses less digits than its factorization.

268469999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302125.

The product of its digits is 15116544, while the sum is 62.

The square root of 268469999 is about 16385.0541347900. The cubic root of 268469999 is about 645.1072465539.

The spelling of 268469999 in words is "two hundred sixty-eight million, four hundred sixty-nine thousand, nine hundred ninety-nine".