1268746026697 has 4 divisors (see below), whose sum is σ = 1268988575616. Its totient is φ = 1268503477780.

The previous prime is 1268746026683. The next prime is 1268746026703. The reversal of 1268746026697 is 7966206478621.

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 not a de Polignac number, because 1268746026697 - 2¹⁵ = 1268745993929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1268746326697) 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, 121266613 + ... + 121277074.

It is an arithmetic number, because the mean of its divisors is an integer number (317247143904).

Almost surely, 2^{1268746026697} is an apocalyptic number.

It is an amenable number.

1268746026697 is a deficient number, since it is larger than the sum of its proper divisors (242548919).

1268746026697 is an equidigital number, since it uses as much as digits as its factorization.

1268746026697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242548918.

The product of its (nonzero) digits is 73156608, while the sum is 64.

The spelling of 1268746026697 in words is "one trillion, two hundred sixty-eight billion, seven hundred forty-six million, twenty-six thousand, six hundred ninety-seven".