268099465 has 4 divisors (see below), whose sum is σ = 321719364. Its totient is φ = 214479568.

The previous prime is 268099463. The next prime is 268099471. The reversal of 268099465 is 564990862.

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 94070601 + 174028864 = 9699^2 + 13192^2 .

It is a cyclic number.

It is not a de Polignac number, because 268099465 - 2¹ = 268099463 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268099463) 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, 26809942 + ... + 26809951.

It is an arithmetic number, because the mean of its divisors is an integer number (80429841).

Almost surely, 2^268099465 is an apocalyptic number.

It is an amenable number.

268099465 is a deficient number, since it is larger than the sum of its proper divisors (53619899).

268099465 is an equidigital number, since it uses as much as digits as its factorization.

268099465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53619898.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 268099465 is about 16373.7431578732. The cubic root of 268099465 is about 644.8103242125.

The spelling of 268099465 in words is "two hundred sixty-eight million, ninety-nine thousand, four hundred sixty-five".