1280577292747 has 2 divisors, whose sum is σ = 1280577292748. Its totient is φ = 1280577292746.

The previous prime is 1280577292649. The next prime is 1280577292751. The reversal of 1280577292747 is 7472927750821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1280577292747 is a prime.

It is not a weakly prime, because it can be changed into another prime (1280577292847) 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, 640288646373 + 640288646374.

It is an arithmetic number, because the mean of its divisors is an integer number (640288646374).

Almost surely, 2^{1280577292747} is an apocalyptic number.

1280577292747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1280577292747 is an equidigital number, since it uses as much as digits as its factorization.

1280577292747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27659520, while the sum is 61.

The spelling of 1280577292747 in words is "one trillion, two hundred eighty billion, five hundred seventy-seven million, two hundred ninety-two thousand, seven hundred forty-seven".