268008601873 has 4 divisors (see below), whose sum is σ = 268060436208. Its totient is φ = 267956767540.

The previous prime is 268008601867. The next prime is 268008601921. The reversal of 268008601873 is 378106800862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268008601873 is a prime.

It is a super-2 number, since 2×268008601873² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268008601073) 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, 25909411 + ... + 25919752.

It is an arithmetic number, because the mean of its divisors is an integer number (67015109052).

Almost surely, 2^268008601873 is an apocalyptic number.

It is an amenable number.

268008601873 is a deficient number, since it is larger than the sum of its proper divisors (51834335).

268008601873 is an equidigital number, since it uses as much as digits as its factorization.

268008601873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51834334.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 268008601873 in words is "two hundred sixty-eight billion, eight million, six hundred one thousand, eight hundred seventy-three".