146824318549 has 2 divisors, whose sum is σ = 146824318550. Its totient is φ = 146824318548.

The previous prime is 146824318541. The next prime is 146824318583. The reversal of 146824318549 is 945813428641.

146824318549 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., 140432316049 + 6392002500 = 374743^2 + 79950^2 .

It is a cyclic number.

It is not a de Polignac number, because 146824318549 - 2³ = 146824318541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146824318549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146824318541) 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, 73412159274 + 73412159275.

It is an arithmetic number, because the mean of its divisors is an integer number (73412159275).

Almost surely, 2^146824318549 is an apocalyptic number.

It is an amenable number.

146824318549 is a deficient number, since it is larger than the sum of its proper divisors (1).

146824318549 is an equidigital number, since it uses as much as digits as its factorization.

146824318549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6635520, while the sum is 55.

The spelling of 146824318549 in words is "one hundred forty-six billion, eight hundred twenty-four million, three hundred eighteen thousand, five hundred forty-nine".