1274963989771 has 2 divisors, whose sum is σ = 1274963989772. Its totient is φ = 1274963989770.

The previous prime is 1274963989751. The next prime is 1274963989837. The reversal of 1274963989771 is 1779893694721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1274963989771 - 2¹⁷ = 1274963858699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1274963989694 and 1274963989703.

It is not a weakly prime, because it can be changed into another prime (1274963989751) 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, 637481994885 + 637481994886.

It is an arithmetic number, because the mean of its divisors is an integer number (637481994886).

Almost surely, 2^{1274963989771} is an apocalyptic number.

1274963989771 is a deficient number, since it is larger than the sum of its proper divisors (1).

1274963989771 is an equidigital number, since it uses as much as digits as its factorization.

1274963989771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288054144, while the sum is 73.

The spelling of 1274963989771 in words is "one trillion, two hundred seventy-four billion, nine hundred sixty-three million, nine hundred eighty-nine thousand, seven hundred seventy-one".