1275684668299 has 2 divisors, whose sum is σ = 1275684668300. Its totient is φ = 1275684668298.

The previous prime is 1275684668267. The next prime is 1275684668399. The reversal of 1275684668299 is 9928664865721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1275684668299 - 2⁵ = 1275684668267 is a prime.

It is not a weakly prime, because it can be changed into another prime (1275684668249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637842334149 + 637842334150.

It is an arithmetic number, because the mean of its divisors is an integer number (637842334150).

Almost surely, 2^{1275684668299} is an apocalyptic number.

1275684668299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275684668299 is an equidigital number, since it uses as much as digits as its factorization.

1275684668299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 627056640, while the sum is 73.

The spelling of 1275684668299 in words is "one trillion, two hundred seventy-five billion, six hundred eighty-four million, six hundred sixty-eight thousand, two hundred ninety-nine".