1275684668363 has 6 divisors (see below), whose sum is σ = 1483959716316. Its totient is φ = 1093444001412.

The previous prime is 1275684668299. The next prime is 1275684668399. The reversal of 1275684668363 is 3638664865721.

It is not a de Polignac number, because 1275684668363 - 2⁶ = 1275684668299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1275684668363.

It is not an unprimeable number, because it can be changed into a prime (1275684668263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13017190445 + ... + 13017190542.

It is an arithmetic number, because the mean of its divisors is an integer number (247326619386).

Almost surely, 2^{1275684668363} is an apocalyptic number.

1275684668363 is a deficient number, since it is larger than the sum of its proper divisors (208275047953).

1275684668363 is an equidigital number, since it uses as much as digits as its factorization.

1275684668363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26034381001 (or 26034380994 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 65.

The spelling of 1275684668363 in words is "one trillion, two hundred seventy-five billion, six hundred eighty-four million, six hundred sixty-eight thousand, three hundred sixty-three".