268653951 has 12 divisors (see below), whose sum is σ = 388702912. Its totient is φ = 178803936.

The previous prime is 268653859. The next prime is 268653971. The reversal of 268653951 is 159356862.

268653951 is a `hidden beast` number, since 2 + 68 + 6 + 539 + 51 = 666.

It is not a de Polignac number, because 268653951 - 2¹⁰ = 268652927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268653897 and 268653906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268653971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19126 + ... + 30051.

Almost surely, 2^268653951 is an apocalyptic number.

268653951 is a deficient number, since it is larger than the sum of its proper divisors (120048961).

268653951 is a wasteful number, since it uses less digits than its factorization.

268653951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49790 (or 49787 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 268653951 is about 16390.6665819301. Note that the first 3 decimals coincide. The cubic root of 268653951 is about 645.2545524919.

The spelling of 268653951 in words is "two hundred sixty-eight million, six hundred fifty-three thousand, nine hundred fifty-one".