1427317517573 has 2 divisors, whose sum is σ = 1427317517574. Its totient is φ = 1427317517572.

The previous prime is 1427317517543. The next prime is 1427317517599. The reversal of 1427317517573 is 3757157137241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1416818851204 + 10498666369 = 1190302^2 + 102463^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427317517573 - 2¹⁰ = 1427317516549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1427317517543) 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, 713658758786 + 713658758787.

It is an arithmetic number, because the mean of its divisors is an integer number (713658758787).

Almost surely, 2^{1427317517573} is an apocalyptic number.

It is an amenable number.

1427317517573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427317517573 is an equidigital number, since it uses as much as digits as its factorization.

1427317517573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4321800, while the sum is 53.

The spelling of 1427317517573 in words is "one trillion, four hundred twenty-seven billion, three hundred seventeen million, five hundred seventeen thousand, five hundred seventy-three".