146813333449 has 2 divisors, whose sum is σ = 146813333450. Its totient is φ = 146813333448.

The previous prime is 146813333441. The next prime is 146813333483. The reversal of 146813333449 is 944333318641.

146813333449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146721939849 + 91393600 = 383043^2 + 9560^2 .

It is a cyclic number.

It is not a de Polignac number, because 146813333449 - 2³ = 146813333441 is a prime.

It is not a weakly prime, because it can be changed into another prime (146813333441) 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, 73406666724 + 73406666725.

It is an arithmetic number, because the mean of its divisors is an integer number (73406666725).

Almost surely, 2^146813333449 is an apocalyptic number.

It is an amenable number.

146813333449 is a deficient number, since it is larger than the sum of its proper divisors (1).

146813333449 is an equidigital number, since it uses as much as digits as its factorization.

146813333449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 49.

The spelling of 146813333449 in words is "one hundred forty-six billion, eight hundred thirteen million, three hundred thirty-three thousand, four hundred forty-nine".