1260347266573 has 2 divisors, whose sum is σ = 1260347266574. Its totient is φ = 1260347266572.

The previous prime is 1260347266567. The next prime is 1260347266621. The reversal of 1260347266573 is 3756627430621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 837303691849 + 423043574724 = 915043^2 + 650418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1260347266573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1260347266573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1260347261573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630173633286 + 630173633287.

It is an arithmetic number, because the mean of its divisors is an integer number (630173633287).

Almost surely, 2^{1260347266573} is an apocalyptic number.

It is an amenable number.

1260347266573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260347266573 is an equidigital number, since it uses as much as digits as its factorization.

1260347266573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 52.

The spelling of 1260347266573 in words is "one trillion, two hundred sixty billion, three hundred forty-seven million, two hundred sixty-six thousand, five hundred seventy-three".