8489635420219 has 2 divisors, whose sum is σ = 8489635420220. Its totient is φ = 8489635420218.

The previous prime is 8489635420199. The next prime is 8489635420303. The reversal of 8489635420219 is 9120245369848.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8489635420219 - 2²⁷ = 8489501202491 is a prime.

It is a super-2 number, since 2×8489635420219² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8489635426219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4244817710109 + 4244817710110.

It is an arithmetic number, because the mean of its divisors is an integer number (4244817710110).

Almost surely, 2^{8489635420219} is an apocalyptic number.

8489635420219 is a deficient number, since it is larger than the sum of its proper divisors (1).

8489635420219 is an equidigital number, since it uses as much as digits as its factorization.

8489635420219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29859840, while the sum is 61.

The spelling of 8489635420219 in words is "eight trillion, four hundred eighty-nine billion, six hundred thirty-five million, four hundred twenty thousand, two hundred nineteen".