1427503322549 has 2 divisors, whose sum is σ = 1427503322550. Its totient is φ = 1427503322548.

The previous prime is 1427503322533. The next prime is 1427503322591. The reversal of 1427503322549 is 9452233057241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1406916238225 + 20587084324 = 1186135^2 + 143482^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427503322549 - 2⁴ = 1427503322533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1427503322519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713751661274 + 713751661275.

It is an arithmetic number, because the mean of its divisors is an integer number (713751661275).

Almost surely, 2^{1427503322549} is an apocalyptic number.

It is an amenable number.

1427503322549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427503322549 is an equidigital number, since it uses as much as digits as its factorization.

1427503322549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 1427503322549 in words is "one trillion, four hundred twenty-seven billion, five hundred three million, three hundred twenty-two thousand, five hundred forty-nine".