8447463259 has 2 divisors, whose sum is σ = 8447463260. Its totient is φ = 8447463258.

The previous prime is 8447463257. The next prime is 8447463287. The reversal of 8447463259 is 9523647448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8447463259 - 2¹ = 8447463257 is a prime.

Together with 8447463257, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8447463257) 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, 4223731629 + 4223731630.

It is an arithmetic number, because the mean of its divisors is an integer number (4223731630).

Almost surely, 2^8447463259 is an apocalyptic number.

8447463259 is a deficient number, since it is larger than the sum of its proper divisors (1).

8447463259 is an equidigital number, since it uses as much as digits as its factorization.

8447463259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 52.

The square root of 8447463259 is about 91910.0824665064. The cubic root of 8447463259 is about 2036.6142141575.

The spelling of 8447463259 in words is "eight billion, four hundred forty-seven million, four hundred sixty-three thousand, two hundred fifty-nine".