8498918447 has 2 divisors, whose sum is σ = 8498918448. Its totient is φ = 8498918446.

The previous prime is 8498918431. The next prime is 8498918543. The reversal of 8498918447 is 7448198948.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8498918447 - 2⁴ = 8498918431 is a prime.

It is a super-2 number, since 2×8498918447² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8498918447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8498918947) 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, 4249459223 + 4249459224.

It is an arithmetic number, because the mean of its divisors is an integer number (4249459224).

Almost surely, 2^8498918447 is an apocalyptic number.

8498918447 is a deficient number, since it is larger than the sum of its proper divisors (1).

8498918447 is an equidigital number, since it uses as much as digits as its factorization.

8498918447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18579456, while the sum is 62.

The square root of 8498918447 is about 92189.5788416457. The cubic root of 8498918447 is about 2040.7409879475.

The spelling of 8498918447 in words is "eight billion, four hundred ninety-eight million, nine hundred eighteen thousand, four hundred forty-seven".