143646353320109 has 2 divisors, whose sum is σ = 143646353320110. Its totient is φ = 143646353320108.

The previous prime is 143646353320079. The next prime is 143646353320133. The reversal of 143646353320109 is 901023353646341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92775366208009 + 50870987112100 = 9631997^2 + 7132390^2 .

It is an emirp because it is prime and its reverse (901023353646341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143646353320109 - 2²⁰ = 143646352271533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143646353320199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71823176660054 + 71823176660055.

It is an arithmetic number, because the mean of its divisors is an integer number (71823176660055).

Almost surely, 2^{143646353320109} is an apocalyptic number.

It is an amenable number.

143646353320109 is a deficient number, since it is larger than the sum of its proper divisors (1).

143646353320109 is an equidigital number, since it uses as much as digits as its factorization.

143646353320109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4199040, while the sum is 50.

The spelling of 143646353320109 in words is "one hundred forty-three trillion, six hundred forty-six billion, three hundred fifty-three million, three hundred twenty thousand, one hundred nine".