1427329762609 has 2 divisors, whose sum is σ = 1427329762610. Its totient is φ = 1427329762608.

The previous prime is 1427329762513. The next prime is 1427329762619. The reversal of 1427329762609 is 9062679237241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1217723285025 + 209606477584 = 1103505^2 + 457828^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427329762609 - 2²⁹ = 1426792891697 is a prime.

It is not a weakly prime, because it can be changed into another prime (1427329762619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713664881304 + 713664881305.

It is an arithmetic number, because the mean of its divisors is an integer number (713664881305).

Almost surely, 2^{1427329762609} is an apocalyptic number.

It is an amenable number.

1427329762609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427329762609 is an equidigital number, since it uses as much as digits as its factorization.

1427329762609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13716864, while the sum is 58.

The spelling of 1427329762609 in words is "one trillion, four hundred twenty-seven billion, three hundred twenty-nine million, seven hundred sixty-two thousand, six hundred nine".