1422387668609 has 2 divisors, whose sum is σ = 1422387668610. Its totient is φ = 1422387668608.

The previous prime is 1422387668591. The next prime is 1422387668651. The reversal of 1422387668609 is 9068667832241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1054852243600 + 367535425009 = 1027060^2 + 606247^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422387668609 - 2²⁰ = 1422386620033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1422387668659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711193834304 + 711193834305.

It is an arithmetic number, because the mean of its divisors is an integer number (711193834305).

Almost surely, 2^{1422387668609} is an apocalyptic number.

It is an amenable number.

1422387668609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422387668609 is an equidigital number, since it uses as much as digits as its factorization.

1422387668609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41803776, while the sum is 62.

The spelling of 1422387668609 in words is "one trillion, four hundred twenty-two billion, three hundred eighty-seven million, six hundred sixty-eight thousand, six hundred nine".