898452817663 has 2 divisors, whose sum is σ = 898452817664. Its totient is φ = 898452817662.

The previous prime is 898452817651. The next prime is 898452817679. The reversal of 898452817663 is 366718254898.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 898452817663 - 2⁹ = 898452817151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (898452817643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449226408831 + 449226408832.

It is an arithmetic number, because the mean of its divisors is an integer number (449226408832).

Almost surely, 2^898452817663 is an apocalyptic number.

898452817663 is a deficient number, since it is larger than the sum of its proper divisors (1).

898452817663 is an equidigital number, since it uses as much as digits as its factorization.

898452817663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139345920, while the sum is 67.

The spelling of 898452817663 in words is "eight hundred ninety-eight billion, four hundred fifty-two million, eight hundred seventeen thousand, six hundred sixty-three".