1273783459411 has 2 divisors, whose sum is σ = 1273783459412. Its totient is φ = 1273783459410.

The previous prime is 1273783459387. The next prime is 1273783459423. The reversal of 1273783459411 is 1149543873721.

It is a strong prime.

It is an emirp because it is prime and its reverse (1149543873721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1273783459411 - 2³¹ = 1271635975763 is a prime.

It is a super-3 number, since 3×1273783459411³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1273783459511) 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 as a sum of consecutive naturals, namely, 636891729705 + 636891729706.

It is an arithmetic number, because the mean of its divisors is an integer number (636891729706).

Almost surely, 2^{1273783459411} is an apocalyptic number.

1273783459411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1273783459411 is an equidigital number, since it uses as much as digits as its factorization.

1273783459411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 55.

The spelling of 1273783459411 in words is "one trillion, two hundred seventy-three billion, seven hundred eighty-three million, four hundred fifty-nine thousand, four hundred eleven".