384942408673 has 2 divisors, whose sum is σ = 384942408674. Its totient is φ = 384942408672.

The previous prime is 384942408607. The next prime is 384942408703. The reversal of 384942408673 is 376804249483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 382130439889 + 2811968784 = 618167^2 + 53028^2 .

It is an emirp because it is prime and its reverse (376804249483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 384942408673 - 2¹³ = 384942400481 is a prime.

It is not a weakly prime, because it can be changed into another prime (384942403673) 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, 192471204336 + 192471204337.

It is an arithmetic number, because the mean of its divisors is an integer number (192471204337).

Almost surely, 2^384942408673 is an apocalyptic number.

It is an amenable number.

384942408673 is a deficient number, since it is larger than the sum of its proper divisors (1).

384942408673 is an equidigital number, since it uses as much as digits as its factorization.

384942408673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27869184, while the sum is 58.

The spelling of 384942408673 in words is "three hundred eighty-four billion, nine hundred forty-two million, four hundred eight thousand, six hundred seventy-three".