384707716993 has 2 divisors, whose sum is σ = 384707716994. Its totient is φ = 384707716992.

The previous prime is 384707716949. The next prime is 384707717003. The reversal of 384707716993 is 399617707483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374069238544 + 10638478449 = 611612^2 + 103143^2 .

It is a cyclic number.

It is not a de Polignac number, because 384707716993 - 2¹⁷ = 384707585921 is a prime.

It is not a weakly prime, because it can be changed into another prime (384707716903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192353858496 + 192353858497.

It is an arithmetic number, because the mean of its divisors is an integer number (192353858497).

Almost surely, 2^384707716993 is an apocalyptic number.

It is an amenable number.

384707716993 is a deficient number, since it is larger than the sum of its proper divisors (1).

384707716993 is an equidigital number, since it uses as much as digits as its factorization.

384707716993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48009024, while the sum is 64.

The spelling of 384707716993 in words is "three hundred eighty-four billion, seven hundred seven million, seven hundred sixteen thousand, nine hundred ninety-three".