1280533363763 has 2 divisors, whose sum is σ = 1280533363764. Its totient is φ = 1280533363762.

The previous prime is 1280533363757. The next prime is 1280533363787. The reversal of 1280533363763 is 3673633350821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1280533363763 - 2¹⁰ = 1280533362739 is a prime.

It is not a weakly prime, because it can be changed into another prime (1280533363463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640266681881 + 640266681882.

It is an arithmetic number, because the mean of its divisors is an integer number (640266681882).

Almost surely, 2^{1280533363763} is an apocalyptic number.

1280533363763 is a deficient number, since it is larger than the sum of its proper divisors (1).

1280533363763 is an equidigital number, since it uses as much as digits as its factorization.

1280533363763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4898880, while the sum is 50.

The spelling of 1280533363763 in words is "one trillion, two hundred eighty billion, five hundred thirty-three million, three hundred sixty-three thousand, seven hundred sixty-three".