268635073963 has 4 divisors (see below), whose sum is σ = 268877306880. Its totient is φ = 268392841048.

The previous prime is 268635073951. The next prime is 268635073991. The reversal of 268635073963 is 369370536862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268635073963 - 2⁹ = 268635073451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268635073898 and 268635073907.

It is not an unprimeable number, because it can be changed into a prime (268635073163) 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, 121114795 + ... + 121117012.

It is an arithmetic number, because the mean of its divisors is an integer number (67219326720).

Almost surely, 2^268635073963 is an apocalyptic number.

268635073963 is a deficient number, since it is larger than the sum of its proper divisors (242232917).

268635073963 is a wasteful number, since it uses less digits than its factorization.

268635073963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242232916.

The product of its (nonzero) digits is 29393280, while the sum is 58.

The spelling of 268635073963 in words is "two hundred sixty-eight billion, six hundred thirty-five million, seventy-three thousand, nine hundred sixty-three".