8498622617 has 2 divisors, whose sum is σ = 8498622618. Its totient is φ = 8498622616.

The previous prime is 8498622589. The next prime is 8498622653. The reversal of 8498622617 is 7162268948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5559790096 + 2938832521 = 74564^2 + 54211^2 .

It is a cyclic number.

It is not a de Polignac number, because 8498622617 - 2⁸ = 8498622361 is a prime.

It is not a weakly prime, because it can be changed into another prime (8498622817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4249311308 + 4249311309.

It is an arithmetic number, because the mean of its divisors is an integer number (4249311309).

Almost surely, 2^8498622617 is an apocalyptic number.

It is an amenable number.

8498622617 is a deficient number, since it is larger than the sum of its proper divisors (1).

8498622617 is an equidigital number, since it uses as much as digits as its factorization.

8498622617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 53.

The square root of 8498622617 is about 92187.9743621694. The cubic root of 8498622617 is about 2040.7173096636.

The spelling of 8498622617 in words is "eight billion, four hundred ninety-eight million, six hundred twenty-two thousand, six hundred seventeen".