1012276763549 has 2 divisors, whose sum is σ = 1012276763550. Its totient is φ = 1012276763548.

The previous prime is 1012276763527. The next prime is 1012276763567. The reversal of 1012276763549 is 9453676722101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 927671406649 + 84605356900 = 963157^2 + 290870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012276763549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012276763549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012276763749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506138381774 + 506138381775.

It is an arithmetic number, because the mean of its divisors is an integer number (506138381775).

Almost surely, 2^{1012276763549} is an apocalyptic number.

It is an amenable number.

1012276763549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012276763549 is an equidigital number, since it uses as much as digits as its factorization.

1012276763549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 1012276763549 in words is "one trillion, twelve billion, two hundred seventy-six million, seven hundred sixty-three thousand, five hundred forty-nine".