268653969 has 8 divisors (see below), whose sum is σ = 398005920. Its totient is φ = 179102628.

The previous prime is 268653859. The next prime is 268653971. The reversal of 268653969 is 969356862.

268653969 is a `hidden beast` number, since 26 + 86 + 539 + 6 + 9 = 666.

It is not a de Polignac number, because 268653969 - 2¹⁷ = 268522897 is a prime.

It is a super-2 number, since 2×268653969² = 144349910118905922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268653169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4975047 + ... + 4975100.

It is an arithmetic number, because the mean of its divisors is an integer number (49750740).

Almost surely, 2^268653969 is an apocalyptic number.

It is an amenable number.

268653969 is a deficient number, since it is larger than the sum of its proper divisors (129351951).

268653969 is an equidigital number, since it uses as much as digits as its factorization.

268653969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9950156 (or 9950150 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 268653969 is about 16390.6671310231. The cubic root of 268653969 is about 645.2545669028.

The spelling of 268653969 in words is "two hundred sixty-eight million, six hundred fifty-three thousand, nine hundred sixty-nine".