384749666753 has 2 divisors, whose sum is σ = 384749666754. Its totient is φ = 384749666752.

The previous prime is 384749666747. The next prime is 384749666779. The reversal of 384749666753 is 357666947483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337587726529 + 47161940224 = 581023^2 + 217168^2 .

It is a cyclic number.

It is not a de Polignac number, because 384749666753 - 2³⁶ = 316030190017 is a prime.

It is not a weakly prime, because it can be changed into another prime (384749666783) 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, 192374833376 + 192374833377.

It is an arithmetic number, because the mean of its divisors is an integer number (192374833377).

Almost surely, 2^384749666753 is an apocalyptic number.

It is an amenable number.

384749666753 is a deficient number, since it is larger than the sum of its proper divisors (1).

384749666753 is an equidigital number, since it uses as much as digits as its factorization.

384749666753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 548674560, while the sum is 68.

The spelling of 384749666753 in words is "three hundred eighty-four billion, seven hundred forty-nine million, six hundred sixty-six thousand, seven hundred fifty-three".