268364669 has 4 divisors (see below), whose sum is σ = 284150844. Its totient is φ = 252578496.

The previous prime is 268364633. The next prime is 268364711. The reversal of 268364669 is 966463862.

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 152522500 + 115842169 = 12350^2 + 10763^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268364669 is a prime.

It is a super-2 number, since 2×268364669² = 144039191134959122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268364609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7893062 + ... + 7893095.

It is an arithmetic number, because the mean of its divisors is an integer number (71037711).

Almost surely, 2^268364669 is an apocalyptic number.

It is an amenable number.

268364669 is a deficient number, since it is larger than the sum of its proper divisors (15786175).

268364669 is a wasteful number, since it uses less digits than its factorization.

268364669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15786174.

The product of its digits is 2239488, while the sum is 50.

The square root of 268364669 is about 16381.8396097630. The cubic root of 268364669 is about 645.0228696096.

The spelling of 268364669 in words is "two hundred sixty-eight million, three hundred sixty-four thousand, six hundred sixty-nine".