268442586047 has 4 divisors (see below), whose sum is σ = 268454476680. Its totient is φ = 268430695416.

The previous prime is 268442586031. The next prime is 268442586079. The reversal of 268442586047 is 740685244862.

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 268442586047 - 2⁴ = 268442586031 is a prime.

It is a super-2 number, since 2×268442586047² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268442585983 and 268442586001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268442586547) 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, 5911388 + ... + 5956625.

It is an arithmetic number, because the mean of its divisors is an integer number (67113619170).

Almost surely, 2^268442586047 is an apocalyptic number.

268442586047 is a deficient number, since it is larger than the sum of its proper divisors (11890633).

268442586047 is a wasteful number, since it uses less digits than its factorization.

268442586047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11890632.

The product of its (nonzero) digits is 20643840, while the sum is 56.

The spelling of 268442586047 in words is "two hundred sixty-eight billion, four hundred forty-two million, five hundred eighty-six thousand, forty-seven".