1427715769289 has 2 divisors, whose sum is σ = 1427715769290. Its totient is φ = 1427715769288.

The previous prime is 1427715769229. The next prime is 1427715769327. The reversal of 1427715769289 is 9829675177241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1287959423689 + 139756345600 = 1134883^2 + 373840^2 .

It is an emirp because it is prime and its reverse (9829675177241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1427715769289 - 2²⁰ = 1427714720713 is a prime.

It is not a weakly prime, because it can be changed into another prime (1427715769229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713857884644 + 713857884645.

It is an arithmetic number, because the mean of its divisors is an integer number (713857884645).

Almost surely, 2^{1427715769289} is an apocalyptic number.

It is an amenable number.

1427715769289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427715769289 is an equidigital number, since it uses as much as digits as its factorization.

1427715769289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 106686720, while the sum is 68.

The spelling of 1427715769289 in words is "one trillion, four hundred twenty-seven billion, seven hundred fifteen million, seven hundred sixty-nine thousand, two hundred eighty-nine".