143469389249 has 2 divisors, whose sum is σ = 143469389250. Its totient is φ = 143469389248.

The previous prime is 143469389237. The next prime is 143469389281. The reversal of 143469389249 is 942983964341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140224036225 + 3245353024 = 374465^2 + 56968^2 .

It is a cyclic number.

It is not a de Polignac number, because 143469389249 - 2¹² = 143469385153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143469389191 and 143469389200.

It is not a weakly prime, because it can be changed into another prime (143469389299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71734694624 + 71734694625.

It is an arithmetic number, because the mean of its divisors is an integer number (71734694625).

Almost surely, 2^143469389249 is an apocalyptic number.

It is an amenable number.

143469389249 is a deficient number, since it is larger than the sum of its proper divisors (1).

143469389249 is an equidigital number, since it uses as much as digits as its factorization.

143469389249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40310784, while the sum is 62.

The spelling of 143469389249 in words is "one hundred forty-three billion, four hundred sixty-nine million, three hundred eighty-nine thousand, two hundred forty-nine".