8448499313 has 2 divisors, whose sum is σ = 8448499314. Its totient is φ = 8448499312.

The previous prime is 8448499309. The next prime is 8448499343. The reversal of 8448499313 is 3139948448.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4415868304 + 4032631009 = 66452^2 + 63503^2 .

It is a cyclic number.

It is not a de Polignac number, because 8448499313 - 2² = 8448499309 is a prime.

It is a super-2 number, since 2×8448499313² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8448499343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4224249656 + 4224249657.

It is an arithmetic number, because the mean of its divisors is an integer number (4224249657).

Almost surely, 2^8448499313 is an apocalyptic number.

It is an amenable number.

8448499313 is a deficient number, since it is larger than the sum of its proper divisors (1).

8448499313 is an equidigital number, since it uses as much as digits as its factorization.

8448499313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 53.

The square root of 8448499313 is about 91915.7185306191. The cubic root of 8448499313 is about 2036.6974721321.

The spelling of 8448499313 in words is "eight billion, four hundred forty-eight million, four hundred ninety-nine thousand, three hundred thirteen".