144366896689 has 2 divisors, whose sum is σ = 144366896690. Its totient is φ = 144366896688.

The previous prime is 144366896659. The next prime is 144366896711. The reversal of 144366896689 is 986698663441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93305811600 + 51061085089 = 305460^2 + 225967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144366896689 is a prime.

It is a super-2 number, since 2×144366896689² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144366896659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72183448344 + 72183448345.

It is an arithmetic number, because the mean of its divisors is an integer number (72183448345).

Almost surely, 2^144366896689 is an apocalyptic number.

It is an amenable number.

144366896689 is a deficient number, since it is larger than the sum of its proper divisors (1).

144366896689 is an equidigital number, since it uses as much as digits as its factorization.

144366896689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322486272, while the sum is 70.

The spelling of 144366896689 in words is "one hundred forty-four billion, three hundred sixty-six million, eight hundred ninety-six thousand, six hundred eighty-nine".