384749666747 has 2 divisors, whose sum is σ = 384749666748. Its totient is φ = 384749666746.

The previous prime is 384749666663. The next prime is 384749666753. The reversal of 384749666747 is 747666947483.

It is a strong prime.

It is an emirp because it is prime and its reverse (747666947483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 384749666747 - 2¹² = 384749662651 is a prime.

It is not a weakly prime, because it can be changed into another prime (384749666047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192374833373 + 192374833374.

It is an arithmetic number, because the mean of its divisors is an integer number (192374833374).

Almost surely, 2^384749666747 is an apocalyptic number.

384749666747 is a deficient number, since it is larger than the sum of its proper divisors (1).

384749666747 is an equidigital number, since it uses as much as digits as its factorization.

384749666747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1024192512, while the sum is 71.

The spelling of 384749666747 in words is "three hundred eighty-four billion, seven hundred forty-nine million, six hundred sixty-six thousand, seven hundred forty-seven".