384969897971207 has 2 divisors, whose sum is σ = 384969897971208. Its totient is φ = 384969897971206.

The previous prime is 384969897971203. The next prime is 384969897971209. The reversal of 384969897971207 is 702179798969483.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 384969897971207 - 2² = 384969897971203 is a prime.

Together with 384969897971209, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384969897971203) 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, 192484948985603 + 192484948985604.

It is an arithmetic number, because the mean of its divisors is an integer number (192484948985604).

Almost surely, 2^{384969897971207} is an apocalyptic number.

384969897971207 is a deficient number, since it is larger than the sum of its proper divisors (1).

384969897971207 is an equidigital number, since it uses as much as digits as its factorization.

384969897971207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20739898368, while the sum is 89.

The spelling of 384969897971207 in words is "three hundred eighty-four trillion, nine hundred sixty-nine billion, eight hundred ninety-seven million, nine hundred seventy-one thousand, two hundred seven".