1268585000679 has 4 divisors (see below), whose sum is σ = 1691446667576. Its totient is φ = 845723333784.

The previous prime is 1268585000659. The next prime is 1268585000687. The reversal of 1268585000679 is 9760005858621.

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

It is not a de Polignac number, because 1268585000679 - 2¹¹ = 1268584998631 is a prime.

It is a super-2 number, since 2×1268585000679² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268585000659) 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, 211430833444 + ... + 211430833449.

It is an arithmetic number, because the mean of its divisors is an integer number (422861666894).

Almost surely, 2^{1268585000679} is an apocalyptic number.

1268585000679 is a deficient number, since it is larger than the sum of its proper divisors (422861666897).

1268585000679 is an equidigital number, since it uses as much as digits as its factorization.

1268585000679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422861666896.

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 1268585000679 in words is "one trillion, two hundred sixty-eight billion, five hundred eighty-five million, six hundred seventy-nine", and thus it is an aban number.