1276550849347 has 2 divisors, whose sum is σ = 1276550849348. Its totient is φ = 1276550849346.

The previous prime is 1276550849341. The next prime is 1276550849423. The reversal of 1276550849347 is 7439480556721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1276550849347 - 2³ = 1276550849339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1276550849341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638275424673 + 638275424674.

It is an arithmetic number, because the mean of its divisors is an integer number (638275424674).

It is a 1-persistent number, because it is pandigital, but 2⋅1276550849347 = 2553101698694 is not.

Almost surely, 2^{1276550849347} is an apocalyptic number.

1276550849347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1276550849347 is an equidigital number, since it uses as much as digits as its factorization.

1276550849347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50803200, while the sum is 61.

The spelling of 1276550849347 in words is "one trillion, two hundred seventy-six billion, five hundred fifty million, eight hundred forty-nine thousand, three hundred forty-seven".