8384463457 has 2 divisors, whose sum is σ = 8384463458. Its totient is φ = 8384463456.

The previous prime is 8384463349. The next prime is 8384463473. The reversal of 8384463457 is 7543644838.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7645928481 + 738534976 = 87441^2 + 27176^2 .

It is a cyclic number.

It is not a de Polignac number, because 8384463457 - 2²³ = 8376074849 is a prime.

It is not a weakly prime, because it can be changed into another prime (8384493457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4192231728 + 4192231729.

It is an arithmetic number, because the mean of its divisors is an integer number (4192231729).

Almost surely, 2^8384463457 is an apocalyptic number.

It is an amenable number.

8384463457 is a deficient number, since it is larger than the sum of its proper divisors (1).

8384463457 is an equidigital number, since it uses as much as digits as its factorization.

8384463457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7741440, while the sum is 52.

The square root of 8384463457 is about 91566.7158797344. The cubic root of 8384463457 is about 2031.5386635097.

The spelling of 8384463457 in words is "eight billion, three hundred eighty-four million, four hundred sixty-three thousand, four hundred fifty-seven".